/* This program reads the txt file data and applies variable and value labes, format and missing valus specifications.*/
/* Write the location of the ASCII file on the at the beginning of the controle file.*/
/* Write the location of the libname.*/
libname  PISA  "c:\***\";
filename stui "c:\***\INT_stui_2003_v2.txt";


Proc Format;
	value $NAMIS4F	"9997" = "N/A"
			"9998" = "Invalid"
			"9999" = "Miss";
	value NAMIS3F	997 = "N/A"
			998 = "Invalid"
			999 = "Mis";
	value NAMIS2F	97 = "N/A"
			98 = "Invalid"
			99 = "Mis";
	value ST0301F	1="Female"
			2="Male"
			8="Invalid"
			9="Miss"
			7="N/A";
	value TICKF	1="Tick"
			2="No Tick"
			8="Invalid";
	value ST0501F	1="Working Full-time"
			2="Working Part-Time"
			3="Looking for work"
			4="Other"
			8="Invalid"
			9="Miss"
			7="N/A";
	value ST1501F	1 = "<Country of Test>"
			2 = "Other"
			97="N/A"
			98="Invalid"
			99="Miss";
	value ST1601F	1="<Test language>"
			2="<Other national language>"
			3="<Other national dialects>"
			4="<Other>"
			97="N/A"
			98="Invalid"
			99="Miss";
	value NONEF	1="None"
			2="One"
			3="Two"
			4="Three or more"
			8="Invalid"
			9="Miss"
			7="N/A";
	value ST1901F	1="0-10 books"
			2="11-25 books"
			3="26-100 books"
			4="101-200 books"
			5="201-500 books"
			6="More than 500 books"
			8="Invalid"
			9="Miss"
			7="N/A";
	value ST2001F	1="No"
			2="Yes, one year or less"
			3="Yes, more than one year"
			8="Invalid"
			9="Miss"
			7="N/A";
	value ST2201F	1="No, never"
			2="Yes, once"
			3="Yes, twice or more"
			8="Invalid"
			9="Miss"
			7="N/A";
	value  AgreeF	1="Strongly agree"
			2="Agree"
			3="Disagree"
			4="Strongly disagree"
			8="Invalid"
			9="Miss"
			7="N/A";
	value ST2801F	1="None "
	                2="1 or 2 times"
	                3="3 or 4 times"
	                4="5 or more times"
	                8="Invalid"
	                9="Miss"
	                7="N/A";
	value ConfidF   1="Very confident"
	                2="Confident"
	                3="Not very confident"
	                4="Not at all confident"
	                8="Invalid"
	                9="Miss"
	                7="N/A";
	value LessonF   1="Every lesson"
	                2="Most lessons"
	                3="Some lessons"
	                4="Never or hardly ever"
	                8="Invalid"
	                9="Miss"
	                7="N/A";
	 value NEVERF   1="No, never"
	                2="Yes, once"
	                3="Yes, twice or more"
	                8="Invalid"
	                9="Miss"
	                7="N/A";
	value ChangeF   1="No, all <ISCED 1> same school"
	                2="Yes, changed once"
	                3="Yes, changed twice or more"
	                8="Invalid"
	                9="Miss"
	                7="N/A";
	value YESNOF    1="Yes"
	                2="No"
	                8="Invalid"
	                9="Miss"
	                7="N/A";
	value EC0601F   1="<high level>"
	                2="<medium level>"
	                3="<basic level>"
	                8="Invalid"
	                9="Miss"
	                7="N/A";                    
	value EC0702F   1="At or above <pass mark>"                
	                2="Below <pass mark>"                      
	                8="Invalid"                                
	                9="Miss"                                   
	                7="N/A";   
	value IC0301F   1="Less than 1 year"
	                2="1 to 3 years"
	                3="3 to 5 years"
	                4="More than 5 years"
	                8="Invalid"
	                9="Miss"
	                7="N/A";
	value FreqF     1="Almost every day"
	                2="A few times each week"
	                3="Between 1 pwk & 1 pmn"
	                4="Less than 1 pmn"
	                5="Never"
	                8="Invalid"
	                9="Miss"
	                7="N/A";
	value DoF       1="Can do well"
	                2="Can do with help"
	                3="Cannot do"
	                4="Don’t know"
	                8="Invalid"
	                9="Miss"
	                7="N/A";
	 Value IC0801F  1="My school"
	                2="My friends"
	                3="My family"
	                4="Taught myself"
	                5="Others"
	                8="Invalid"
	                9="Miss"
	                7="N/A";
	value IC0901F   1="Don’t know how to use"
	                2="My school"
	                3="My friends"
	                4="My family"
	                5="Taught myself"
	                6="Others"
	                8="Invalid"
	                9="Miss"
	                7="N/A";   
	value ISCEDLF   1="ISCED level 1"
	                2="ISCED level 2"
	                3="ISCED level 3";                           
	value ISCEDDF   1="A"
	                2="B"
	                3="C"
	                4="M";                    
	value ISCEDOF   1="General"
	                2="Pre-Vocational"
	                3="Vocational"; 
	value  FAMSTR   1="Single parent family"
	                2="Nuclear family"
	                3="Mixed family"
	                4="Other"
	                7="N/A"
	                8="Invalid"
	                9="Missing";
	value  HISEI    97="N/A"
	                98="Invalid"
	                99="Missing";
	value ST11R01F  1= "None"
	                2= "ISCED 1"
			3= "ISCED 2"
			4= "ISCED 3B, C"
			5= "ISCED 3A" 
			9= "Missing" ;
	value ST13R01F  1= "None"
	                2= "ISCED 1"
		     	3= "ISCED 2"
		     	4= "ISCED 3B, C"
		     	5= "ISCED 3A" 
		     	9= "Missing" ;
	value  MISCED   0="None"
                        1="ISCED 1"
                        2="ISCED 2"
                        3="ISCED 3B, C"
                        4="ISCED 3A, ISCED 4"
                        5="ISCED 5B"
                        6="ISCED 5A, 6"
                        9="Missing";
       value  SISCED    0="None"
                        1="ISCED 2"
                        2="ISCED 3B, C"
                        3="ISCED 3A, ISCED 4"
                        4="ISCED 5B"
                        5="ISCED 5A, 6"
                        9="Missing";
       value  IMMIG     1="Native students"
                        2="First-Generation students"
                        3="Non-native students"
                        7="N/A"
                        8="Invalid"
                        9="Missing";
       value  GRADE     7="N/A"
                        8="Invalid"
                        9="Missing";
       value  RMHMWK    997="N/A"
                        998="Invalid"
                        999="Missing";
       value WBCATEG    1="White Collar high skilled" 
                        2="White Collar low skilled"
                        3="Blue Collar high skilled"
                        4="Blue Collar low skilled"
                        9="Missing";   
       value LANGF      1 = "Foreign language"
                        0 = "Test language or other national language"
                        8 = "Invalid"
                        9 = "Miss"
                        7 = "N/A";
      value oecdF 	1 = 'OECD country'
                  	0 = 'Partner country' ;
      value uhF   	1 = 'One-hour booklet'
                  	0 = 'Two-hour booklet'  ;                
   value $subnatF
        '0360'=  'Australia'
		'0400'=  'Austria'
		'0560'=  'Belgium'
		'0760'=  'Brazil'
		'1240'=  'Canada'
		'2030'=  'Czech Republic'
		'2080'=  'Denmark'
		'2460'=  'Finland'
		'2500'=  'France'
		'2760'=  'Germany'
		'3000'=  'Greece'
		'3440'=  'Hong Kong SAR'
		'3480'=  'Hungary'
		'3520'=  'Iceland'
		'3600'=  'Indonesia'
		'3720'=  'Ireland'
		'3801'=  'Italy: Veneto-Nord Est'
		'3802'=  'Italy: Trento-Nord-Est '
		'3803'=  'Italy: Toscana-Centro'
		'3804'=  'Italy: Piemonte-Nord-Ovest '
		'3805'=  'Italy: Lombardia-Nord Ovest '
		'3806'=  'Italy: Bolzano'
		'3807'=  'Italy: Other regions'
		'3920'=  'Japan'
		'4100'=  'Korea'
		'4280'=  'Latvia'
		'4380'=  'Liechtenstein'
		'4420'=  'Luxembourg'
		'4460'=  'Macao SAR'
		'4840'=  'Mexico'
		'5280'=  'Netherlands'
		'5540'=  'New Zealand'
		'5780'=  'Norway'
		'6160'=  'Poland'
		'6200'=  'Portugal'
		'6430'=  'Russian Federation'
		'7030'=  'Slovak Republic'
		'7241'=  'Spain: Other regions'
		'7242'=  'Spain: Castilia y Leon'
		'7243'=  'Spain: Catalonia'
		'7244'=  'Spain: Basque Country'
		'7520'=  'Sweden'
		'7560'=  'Switzerland'
		'7640'=  'Thailand'
		'7880'=  'Tunisia'
		'7920'=  'Turkey'
		'8261'=  'United Kingdom: England, Wales & NI'
		'8262'=  'United Kingdom: Scotland'
		'8400'=  'United States'
		'8580'=  'Uruguay'
		'8910'=  'Yugoslavia';

value  $LANGNF
                 "036001" = "AUS: English"
                 "036002" = "AUS: Indigenous Australian languages"
                 "036003" = "AUS: Italian"
                 "036004" = "AUS: Greek"
                 "036005" = "AUS: Cantonese"
                 "036006" = "AUS: Mandarin"
                 "036007" = "AUS: Arabic"
                 "036008" = "AUS: Vietnamese"
                 "036009" = "AUS: German"
                 "036010" = "AUS: Spanish"
                 "036011" = "AUS: Tagalog (Philippines)"
                 "036012" = "AUS: Other languages"
                 "040001" = "AUT: German"
                 "040002" = "AUT: Turkish"
                 "040003" = "AUT: Serbo-Croat"
                 "040004" = "AUT: Romanian"
                 "040005" = "AUT: Polish"
                 "040006" = "AUT: Hungarian"
                 "040007" = "AUT: Albanian"
                 "040008" = "AUT: Czech"
                 "040009" = "AUT: Slovak"
                 "040010" = "AUT: Slovenian"
                 "040011" = "AUT: Other languages"
                 "056101" = "BEL (Fl.): Dutch"
                 "056102" = "BEL (Fl.): French"
                 "056103" = "BEL (Fl.): German"
                 "056104" = "BEL (Fl.): Flemish dialect"
                 "056105" = "BEL (Fl.): English"
                 "056106" = "BEL (Fl.): Other EU languages"
                 "056107" = "BEL (Fl.): Arabic"
                 "056108" = "BEL (Fl.): Turkish"
                 "056109" = "BEL (Fl.): Eastern European languages"
                 "056110" = "BEL (Fl.): Other languages"
                 "056201" = "BEL (Fr.): French"
                 "056202" = "BEL (Fr.): Dutch"
                 "056203" = "BEL (Fr.): German"
                 "056204" = "BEL (Fr.): English"
                 "056205" = "BEL (Fr.): Wallon"
                 "056206" = "BEL (Fr.): Other EU languages"
                 "056207" = "BEL (Fr.): Arabic"
                 "056208" = "BEL (Fr.): Turkish"
                 "056209" = "BEL (Fr.): Eastern European languages"
                 "056210" = "BEL (Fr.): Other languages"
                 "056301" = "BEL (German): German"
                 "056302" = "BEL (German): French"
                 "056303" = "BEL (German): Dutch"
                 "056304" = "BEL (German): Wallon"
                 "056305" = "BEL (German): English"
                 "056306" = "BEL (German): Other EU languages"
                 "056307" = "BEL (German): Arabic"
                 "056309" = "BEL (German): Eastern European languages"
                 "076001" = "BRA: Portuguese"
                 "076002" = "BRA: Other national language - indigenous"
                 "076003" = "BRA: Other languages"
                 "124101" = "CAN: English"
                 "124102" = "CAN: French"
                 "124103" = "CAN: Other languages"
                 "203001" = "CZE: Czech"
                 "203002" = "CZE: Slovak"
                 "203003" = "CZE: Romani"
                 "203004" = "CZE: Other languages"
                 "208001" = "DNK: Danish"
                 "208002" = "DNK: Turkish"
                 "208003" = "DNK: Serbo-Croatian"
                 "208004" = "DNK: Punjabi"
                 "208005" = "DNK: Urdu"
                 "208006" = "DNK: Arabic"
                 "208007" = "DNK: Other languages"
                 "246001" = "FIN: Finnish"
                 "246002" = "FIN: Swedish"
                 "246003" = "FIN: Sami"
                 "246004" = "FIN: Romani"
                 "246005" = "FIN: Russian"
                 "246006" = "FIN: Estonian"
                 "246007" = "FIN: Other language"
                 "250001" = "FRA: French"
                 "250002" = "FRA: Other national dialects or languages"
                 "250003" = "FRA: Other languages"
                 "276001" = "DEU: German"
                 "276004" = "DEU: Bosnian"
                 "276005" = "DEU: Greek"
                 "276006" = "DEU: Italian"
                 "276007" = "DEU: Croatian"
                 "276008" = "DEU: Polish"
                 "276009" = "DEU: Russian"
                 "276010" = "DEU: Serbian"
                 "276011" = "DEU: Turkish"
                 "276012" = "DEU: Kurdish"
                 "276013" = "DEU: Other languages"
                 "300001" = "GRC: Greek"
                 "300002" = "GRC: Albanian"
                 "300003" = "GRC: Languages of the former USSR"
                 "300004" = "GRC: Bulgarian"
                 "300005" = "GRC: Other languages"
                 "344001" = "HKG: Cantonese"
                 "344002" = "HKG: English"
                 "344003" = "HKG: Other national dialects or languages"
                 "344004" = "HKG: Other languages"
                 "348001" = "HUN: Hungarian"
                 "348002" = "HUN: Other languages"
                 "352001" = "ISL: Icelandic"
                 "352002" = "ISL: Other languages"
                 "360001" = "IDN: Bahasa Indonesian"
                 "360002" = "IDN: Other dialects, local languages"
                 "360003" = "IDN: Other languages"
                 "372001" = "IRL: English"
                 "372002" = "IRL: Irish"
                 "372003" = "IRL: Other languages"
                 "380001" = "ITA: Italian"
                 "380002" = "ITA: Other official languages"
                 "380003" = "ITA: National dialects"
                 "380004" = "ITA: English or another EU language"
                 "380005" = "ITA: Other languages"
                 "380701" = "ITA (German): German"
                 "380702" = "ITA (German): Other official languages"
                 "380703" = "ITA (German): National dialects"
                 "380704" = "ITA (German): English or another EU language"
                 "380705" = "ITA (German): Other languages" 
                 "392001" = "JPN: Japanese"
                 "392002" = "JPN: Other languages"
                 "410001" = "KOR: Korean"
                 "410002" = "KOR: Other languages"
                 "428001" = "LVA: Latvian"
                 "428002" = "LVA: Russian"
                 "428003" = "LVA: Belarusian"
                 "428004" = "LVA: Ukrainian"
                 "428005" = "LVA: Other languages"
                 "438001" = "LIE: Swiss German"
                 "438002" = "LIE: German"
                 "438003" = "LIE: French"
                 "438004" = "LIE: Swiss Italian"
                 "438005" = "LIE: Italian"
                 "438006" = "LIE: romance"
                 "438007" = "LIE: Spanish"
                 "438008" = "LIE: Portuguese"
                 "438009" = "LIE: South Slavic languages"
                 "438010" = "LIE: Albanian"
                 "438011" = "LIE: Turkish"
                 "438012" = "LIE: English"
                 "438013" = "LIE: Other languagess"
                 "442001" = "LUX: German"
                 "442002" = "LUX: French"
                 "442003" = "LUX: Luxembourgian"
                 "442004" = "LUX: Portuguese"
                 "442005" = "LUX: Italian"
                 "442006" = "LUX: Yugoslavian - Serbian, Croatian, etc"
                 "442007" = "LUX: Other languages"
                 "446001" = "MAC: Cantonese"
                 "446002" = "MAC: Portugese"
                 "446003" = "MAC: Other national dialects"
                 "446004" = "MAC: English"
                 "446005" = "MAC: Other languages"
                 "484001" = "MEX: Spanish"
                 "484002" = "MEX: American-Indian"
                 "484003" = "MEX: English"
                 "484004" = "MEX: French"
                 "484005" = "MEX: German"
                 "484006" = "MEX: Other languages"
                 "528001" = "NLD: Dutch"
                 "528003" = "NLD: Dutch regional languages or dialects"
                 "528004" = "NLD: Other European languages"
                 "528005" = "NLD: Other non-European languages"
                 "554001" = "NZL: English"
                 "554002" = "NZL: Te Reo Maori"
                 "554003" = "NZL: Samoan"
                 "554004" = "NZL: Tongan"
                 "554005" = "NZL: Mandarin"
                 "554006" = "NZL: Cantonese"
                 "554007" = "NZL: Hindi"
                 "554008" = "NZL: Other languages"
                 "036097" = "AUS: N/A"
                 "036098" = "AUS: Invalid"
                 "036099" = "AUS: Missing"
                 "040097" = "AUT: N/A"
                 "040098" = "AUT: Invalid"
                 "040099" = "AUT: Missing"
                 "056197" = "BEL (Fl.):  N/A"
                 "056198" = "BEL (Fl.):  Invalid"
                 "056199" = "BEL (Fl.):  Missing"
                 "056297" = "BEL (Fr.):  N/A"
                 "056298" = "BEL (Fr.):  Invalid"
                 "056299" = "BEL (Fr.):  Missing"
                 "076097" = "BRA: N/A"
                 "076098" = "BRA: Invalid"
                 "076099" = "BRA: Missing"
                 "124197" = "CAN: N/A"
                 "124198" = "CAN: Invalid"
                 "124199" = "CAN: Missing"
                 "203097" = "CZE: N/A"
                 "203098" = "CZE: Invalid"
                 "203099" = "CZE: Missing"
                 "208097" = "DNK:  N/A"
                 "208098" = "DNK:  Invalid"
                 "208099" = "DNK:  Missing"
                 "246097" = "FIN: N/A"
                 "246098" = "FIN: Invalid"
                 "246099" = "FIN: Missing"
                 "724001" = "ESP: Castilian"
                 "724002" = "ESP: Catalonian"
                 "724003" = "ESP: Galician"
                 "724004" = "ESP: Valencian"
                 "724005" = "ESP: Basque"
                 "724006" = "ESP: Other languagess"
                 "752001" = "SWE: Swedish"
                 "752002" = "SWE: Finnish, Yiddish, Romani, Sami or Tornedalen"
                 "752003" = "SWE: Other languages"
                 "756001" = "CHE: Swiss German"
                 "756002" = "CHE: German"
                 "756003" = "CHE: French"
                 "756004" = "CHE: Swiss Italian"
                 "756005" = "CHE: Italian"
                 "756006" = "CHE: Romansh"
                 "756007" = "CHE: Spanish"
                 "756008" = "CHE: Portuguese"
                 "756009" = "CHE: South Slavic languages"
                 "756010" = "CHE: Albanian"
                 "756011" = "CHE: Turkish"
                 "756012" = "CHE: English"
                 "756013" = "CHE: Other languagess"
                 "250097" = "FRA:  N/A"
                 "250099" = "FRA:  Missing"
                 "276097" = "DEU: N/A"
                 "276098" = "DEU: Invalid"
                 "276099" = "DEU: Missing"
                 "300097" = "GRC: N/A"
                 "300098" = "GRC: Invalid"
                 "300099" = "GRC: Missing"
                 "344097" = "HKG:  N/A"
                 "344098" = "HKG:  Invalid"
                 "344099" = "HKG:  Missing"
                 "344298" = "HKI:  Invalid"
                 "348097" = "HUN:  N/A"
                 "348098" = "HUN:  Invalid"
                 "348099" = "HUN:  Missing"
                 "352097" = "ISL: N/A"
                 "352098" = "ISL: Invalid"
                 "352099" = "ISL: Missing"
                 "360097" = "IDN: N/A"
                 "360098" = "IDN: Invalid"
                 "360099" = "IDN: Missing"
                 "826101" = "GBR (Eng., Wales, NI): English"
                 "826102" = "GBR (Eng., Wales, NI): Irish"
                 "826103" = "GBR (Eng., Wales, NI): Ulster Scots"
                 "826104" = "GBR (Eng., Wales, NI): Welsh"
                 "826105" = "GBR (Eng., Wales, NI): Other languages"
                 "826201" = "GBR (Scotland): English or Scots"
                 "826202" = "GBR (Scotland): Gaelic"
                 "826204" = "GBR (Scotland): Arabic"
                 "826205" = "GBR (Scotland): Bengali"
                 "826206" = "GBR (Scotland): Cantonese or Mandarin"
                 "826207" = "GBR (Scotland): Gujarati"
                 "826208" = "GBR (Scotland): Hindi"
                 "826209" = "GBR (Scotland): Malay"
                 "826210" = "GBR (Scotland): Punjabi"
                 "826211" = "GBR (Scotland): Urdu"
                 "826212" = "GBR (Scotland): Other European languages"
                 "826213" = "GBR (Scotland): Other non-European languages"
                 "372097" = "IRL: N/A"
                 "372098" = "IRL: Invalid"
                 "372099" = "IRL: Missing"
                 "380097" = "ITA: N/A"
                 "380098" = "ITA: Invalid"
                 "380099" = "ITA: Missing"
                 "380797" = "ITA (German):  N/A"
                 "380798" = "ITA (German):  Invalid"
                 "392097" = "JPN: N/A"
                 "392098" = "JPN: Invalid"
                 "392099" = "JPN: Missing"
                 "410097" = "KOR:  N/A"
                 "410098" = "KOR:  Invalid"
                 "410099" = "KOR:  Missing"
                 "428097" = "LVA:  N/A"
                 "428098" = "LVA:  Invalid"
                 "428099" = "LVA:  Missing"
                 "438098" = "LIE:  Invalid"
                 "438099" = "LIE:  Missing"
                 "056398" = "BEL (German):  Invalid"
                 "056399" = "BEL (German):  Missing"
                 "442097" = "LUX:  N/A"
                 "442098" = "LUX:  Invalid"
                 "442099" = "LUX:  Missing"
                 "446098" = "MAC:  Invalid"
                 "446099" = "MAC:  Missing"
                 "484097" = "MEX:  N/A"
                 "484098" = "MEX:  Invalid"
                 "484099" = "MEX:  Missing"
                 "528097" = "NLD: N/A"
                 "528098" = "NLD: Invalid"
                 "528099" = "NLD: Missing"
                 "554097" = "NZL:  N/A"
                 "554098" = "NZL:  Invalid"
                 "554099" = "NZL:  Missing"
                 "578001" = "NOR: Norwegian"
                 "578002" = "NOR: Sami"
                 "578003" = "NOR: Swedish"
                 "578004" = "NOR: Danish"
                 "578005" = "NOR: Other languages"
                 "578097" = "NOR: N/A"
                 "578098" = "NOR: Invalid"
                 "578099" = "NOR: Missing"
                 "616099" = "POL: Missing"
                 "620097" = "PRT: N/A"
                 "620098" = "PRT: Invalid"
                 "620099" = "PRT: Missing"
                 "616001" = "POL: Polish"
                 "616002" = "POL: Other languages"
                 "620001" = "PRT: Portuguese"
                 "620002" = "PRT: Other languages"
                 "643001" = "RUS: Russian"
                 "643002" = "RUS: Other languages"
                 "703001" = "SVK: Slovak"
                 "703002" = "SVK: Hungarian"
                 "703004" = "SVK: Czech"
                 "703005" = "SVK: Other Slavonic languages"
                 "703006" = "SVK: Romani"
                 "703007" = "SVK: Other languages"
                 "764001" = "THA: Thai central"
                 "764002" = "THA: Other Thai dialects"
                 "764003" = "THA: Other languages"
                 "788001" = "TUN: Arabic"
                 "788002" = "TUN: Arabic, Tunisian dialect"
                 "788003" = "TUN: French"
                 "788004" = "TUN: Other languages"
                 "792001" = "TUR: Turkish"
                 "792002" = "TUR: Other national dialects or languages"
                 "792003" = "TUR: English"
                 "792004" = "TUR: French"
                 "792005" = "TUR: German"
                 "792006" = "TUR: Other languages"
                 "858001" = "URY: Spanish"
                 "858002" = "URY: Portuguese"
                 "858003" = "URY: English"
                 "858004" = "URY: Other languages"
                 "840001" = "USA: English"
                 "840002" = "USA: Spanish"
                 "840003" = "USA: Other languages"
                 "891001" = "YUG: Serbian"
                 "891002" = "YUG: Hungarian"
                 "891003" = "YUG: Albanian"
                 "891004" = "YUG: Romanian"
                 "891005" = "YUG: Slovak"
                 "891006" = "YUG: Other languages"
                 "643097" = "RUS: N/A"
                 "643098" = "RUS: Invalid"
                 "643099" = "RUS: Missing"
                 "724097" = "ESP: N/A"
                 "724098" = "ESP: Invalid"
                 "724099" = "ESP: Missing"
                 "703097" = "SVK: N/A"
                 "703098" = "SVK: Invalid"
                 "703099" = "SVK: Missing"
                 "752097" = "SWE: N/A"
                 "752098" = "SWE: Invalid"
                 "752099" = "SWE: Missing"
                 "756097" = "CHE:  N/A"
                 "756098" = "CHE:  Invalid"
                 "756099" = "CHE:  Missing"
                 "764099" = "THA: Missing"
                 "788097" = "TUN:  N/A"
                 "788098" = "TUN:  Invalid"
                 "788099" = "TUN:  Missing"
                 "792097" = "TUR: N/A"
                 "792098" = "TUR: Invalid"
                 "792099" = "TUR: Missing"
                 "826197" = "GBR (Eng., Wales, NI):  N/A"
                 "826198" = "GBR (Eng., Wales, NI):  Invalid"
                 "826199" = "GBR (Eng., Wales, NI):  Missing"
                 "826297" = "GBR (Scotland):  N/A"
                 "826298" = "GBR (Scotland):  Invalid"
                 "826299" = "GBR (Scotland):  Missing"
                 "840097" = "USA: N/A"
                 "840098" = "USA: Invalid"
                 "840099" = "USA: Missing"
                 "858097" = "URY: N/A"
                 "858098" = "URY: Invalid"
                 "858099" = "URY: Missing"
                 "891097" = "YUG: N/A"
                 "891098" = "YUG: Invalid"
                 "891099" = "YUG: Missing";
                                                                                                                                        
VALUE  $ISOF
	          "03608261" = "AUS: England"       								
	          "03608262" = "AUS: Scotland"                                                                  
	          "03609996" = "AUS: Other"                                                                     
	          "04000391" = "AUT: Yugoslavia"                                                                
	          "04009996" = "AUT: Other"                                                                     
	          "05610021" = "BFL: An African country (not Maghreb)"                                          
	          "05610151" = "BFL: A Maghreb country"                                                         
	          "05611501" = "BFL: An other country of the EU"                                                
	          "05619996" = "BFL: Other"                                                                     
	          "05620021" = "BFR: An African country (not Maghreb)"                                          
	          "05620151" = "BFR: A Maghreb country"                                                         
	          "05621501" = "BFR: Another country of the EU"                                                 
	          "05629996" = "BFR: Other"                                                                     
	          "07609996" = "BRA: Other"                                                                     
	          "12419996" = "CAE: Other"                                                                     
	          "12429996" = "CAF: Other"                                                                     
	          "12439996" = "CAN: Other"                                                                     
	          "20309996" = "CZE: Other"                                                                     
	          "20800391" = "DNK: The former Yuguslavia"                                                     
	          "20809996" = "DNK: Other"                                                                     
	          "24609996" = "FIN: Other"                                                                     
	          "25009996" = "FRA: Other"                                                                     
	          "27601501" = "DEU: Russia, Kazakhstan or another former Soviet republic"                      
	          "27608911" = "DEU: Montenegro"                                                                
	          "27608912" = "DEU: Serbia"                                                                    
	          "27609996" = "DEU: Other"                                                                     
	          "30001501" = "GRC: Country that belonged to the USSR"                                         
	          "30009996" = "GRC: Other "                                                                    
	          "34409996" = "HKG: Other "                                                                    
	          "34809996" = "HUN: Other "                                                                    
	          "35209996" = "ISL: Other"                                                                     
	          "36009996" = "IDN: Other "                                                                    
	          "37200701" = "IRL: Bosnia"                                                                    
	          "37203761" = "IRL: Palestine"                                                                 
	          "37208261" = "IRL: Northern Ireland"                                                          
	          "37208262" = "IRL: Great Britain"                                                             
	          "37209996" = "IRL: Other"                                                                     
	          "38001501" = "ITA: In an European country that is not member of the EU "                      
	          "38009996" = "ITA: Other"                                                                     
	          "39209996" = "JPN: Other"                                                                     
	          "41009996" = "KOR: Other"                                                                     
	          "42809996" = "LVA: Other"                                                                     
	          "44209996" = "LUX: Other"                                                                     
	          "44609996" = "MAC: Other"                                                                     
	          "48409996" = "MEX: Other"                                                                     
	          "52801501" = "NLD: Other European country"                                                    
	          "52809996" = "NLD: Other"                                                                     
	          "55409996" = "NZL: Other"                                                                     
	          "57809996" = "NOR: Other"                                                                     
	          "61609996" = "POL: Other"                                                                     
	          "62009996" = "PRT: Other"                                                                     
	          "64301501" = "RUS: Former USSR republics"                                                     
	          "64309996" = "RUS: Other"                                                                     
	          "70301501" = "SVK: In other country of Europe"                                                
	          "70309996" = "SVK: Other"                                                                     
	          "72419996" = "ESC: Other"                                                                     
	          "72429996" = "ECL: Other"                                                                     
	          "72439996" = "ECT: Other"                                                                     
	          "72449996" = "EBS: Other"                                                                     
	          "75209996" = "SWE: Other"                                                                     
	          "75600391" = "CHE: Ex-Yugoslavia"                                                             
	          "75600392" = "CHE: Albania or Kosovo"                                                         
	          "75601551" = "CHE: Germany or Austria"                                                        
	          "75601552" = "CHE: France or Belgium"                                                         
	          "75607560" = "CHE: Switzerland"                                                               
	          "75609996" = "CHE: Other"                                                                     
	          "76409996" = "THA: Other"                                                                     
	          "78809996" = "TUN: Other"                                                                     
	          "79209996" = "TUR: Other"                                                                     
	          "82619996" = "GRB: Other"                                                                     
	          "82620301" = "SCO: China (incl Hong Kong)"                                                    
	          "82621421" = "SCO: Middle East"                                                               
	          "82621501" = "SCO: Other European country"                                                    
	          "82628261" = "SCO: England, Wales, N Ireland"                                                 
	          "82628262" = "SCO: Scotland "                                                                 
	          "82629996" = "SCO: Other "                                                                    
	          "84009996" = "USA: Other"                                                                     
	          "85809996" = "URY: Other"                                                                     
	          "89101491" = "YUG: The former Yugoslavia"                                                     
	          "89109996" = "YUG: Other"                                                                     
	          "99990020" = "Africa"                                                                         
	          "99990080" = "Albania"                                                                        
	          "99990290" = "Caribbean"                                                                      
	          "99990320" = "Argentina "                                                                     
	          "99990360" = "Australia"                                                                      
	          "99990400" = "Austria"                                                                        
	          "99990500" = "Bangladesh"                                                                     
	          "99990560" = "Belgium"                                                                        
	          "99990600" = "Bermuda"                                                                        
	          "99990700" = "Bosnia-Herzegovina "                                                            
	          "99990760" = "Brazil "                                                                        
	          "99991000" = "Bulgaria"                                                                       
	          "99991040" = "Myanmar (Burma)"                                                                
	          "99991120" = "Belarus"                                                                        
	          "99991240" = "Canada"                                                                         
	          "99991440" = "Sri Lanka"                                                                      
	          "99991490" = "Ex-Yugoslavia"                                                                  
	          "99991510" = "An East-European country"                                                       
	          "99991560" = "China"                                                                          
	          "99991840" = "Cook Islands"                                                                   
	          "99991910" = "Croatia"                                                                        
	          "99992030" = "Czech Republic"                                                                 
	          "99992080" = "Denmark "                                                                       
	          "99992330" = "Estonia "                                                                       
	          "99992420" = "Fiji"                                                                           
	          "99992460" = "Finland "                                                                       
	          "99992500" = "France"                                                                         
	          "99992680" = "Georgia"                                                                        
	          "99992760" = "Germany"                                                                        
	          "99993000" = "Greece"                                                                         
	          "99993440" = "Hong Kong"                                                                      
	          "99993480" = "Hungary"                                                                        
	          "99993520" = "Iceland"                                                                        
	          "99993560" = "India"                                                                          
	          "99993600" = "Indonesia"                                                                      
	          "99993640" = "Iran"                                                                           
	          "99993680" = "Iraq"                                                                           
	          "99993720" = "Ireland"                                                                        
	          "99993800" = "Italy"                                                                          
	          "99993880" = "Jamaica"                                                                        
	          "99993920" = "Japan"                                                                          
	          "99994000" = "Jordan"                                                                         
	          "99994100" = "Korea"                                                                          
	          "99994220" = "Lebanon"                                                                        
	          "99994280" = "Latvia"                                                                         
	          "99994340" = "Libya"                                                                          
	          "99994400" = "Lithuania"                                                                      
	          "99994420" = "Luxembourg"                                                                     
	          "99994460" = "Macau"                                                                          
	          "99994580" = "Malaysia"                                                                       
	          "99994840" = "Mexico"                                                                         
	          "99995160" = "Namibia"                                                                        
	          "99995280" = "Netherlands"                                                                    
	          "99995540" = "New Zealand"                                                                    
	          "99995660" = "Nigeria"                                                                        
	          "99995780" = "Norway"                                                                         
	          "99995860" = "Pakistan"                                                                       
	          "99996080" = "Philippines"                                                                    
	          "99996160" = "Poland "                                                                        
	          "99996200" = "Portugal"                                                                       
	          "99996420" = "Romania"                                                                        
	          "99996430" = "Russia"                                                                         
	          "99996820" = "Saudi Arabia"                                                                   
	          "99997030" = "Slovakia"                                                                       
	          "99997040" = "Vietnam"                                                                        
	          "99997050" = "Slowenia"                                                                       
	          "99997100" = "South Africa "                                                                  
	          "99997160" = "Zimbabwe"                                                                       
	          "99997240" = "Spain"                                                                          
	          "99997520" = "Sweden"                                                                         
	          "99997560" = "Switzerland  "                                                                  
	          "99997640" = "Thailand"                                                                       
	          "99997760" = "Tonga"                                                                          
	          "99997880" = "Tunisia"                                                                        
	          "99997920" = "Turkey"                                                                         
	          "99998040" = "Ukraine"                                                                        
	          "99998070" ="Macedonia"                                                                       
	          "99998180" ="Egypt"                                                                           
	          "99998260" ="United Kingdom"                                                                  
	          "99998340" ="Tanzania"                                                                        
	          "99998400" ="United States"                                                                   
	          "99998580" ="Uruguay "                                                                        
	          "99998820" ="Samoa"                                                                           
	          "99998910" ="Yugoslavia"                                                                      
	          "99998940" ="Zambia";                                                                         
                                                                                                        
	value  $EC0602F
	  '0361'= 'Australia: High level maths course'
	  '0362'= 'Australia: Medium level maths course'
	  '0363'= 'Australia: Low level maths course'
	  '2761'= 'Germany: High level maths course'
	  '2762'= 'Germany: Medium level maths course'
	  '2763'= 'Germany: Low level maths course'
	  '3001'= 'Greece: Advanced level maths course'
	  '3002'= 'Greece: Medium level maths course'
	  '3003'= 'Greece: Basic level maths course'
	  '3481'= 'Hungary: Special or high level maths course'
	  '3482'= 'Hungary: Normal maths course'
	  '3521'= 'Iceland: Fast track maths course'
	  '3522'= 'Iceland: Medium track maths course'
	  '3523'= 'Iceland: Slow track maths course'
	  '4101'= 'Korea: High level maths course'  
	  '4102'= 'Korea: Medium level maths course'  
	  '4103'= 'Korea: Basic level maths course'
	  '7031'= 'Slovak Rep.: Extended maths teaching'
	  '7032'= 'Slovak Rep.: Normal maths teaching'
	  '7033'= 'Slovak Rep.: Reduced maths teaching'
	  '8261'= 'Scotland: Nat. Qualifications higher'
	  '8262'= 'Scotland: Intermediate/Access, standard grade'
	  '9997'= 'N/A'
	  '9998'= 'Invalid'
	  '9999'= 'Missing';
 value $cntidF
	 '036'= 'Australia '
	 '040'= 'Austria '
	 '056'= 'Belgium '
	 '076'= 'Brazil '
	 '124'= 'Canada '
	 '203'= 'Czech Republic '
	 '208'= 'Denmark '
	 '246'= 'Finland '
	 '250'= 'France '
	 '276'= 'Germany '
	 '300'= 'Greece '
	 '344'= 'Hong Kong Special Administrative Region of China'
	 '348'= 'Hungary '
	 '352'= 'Iceland '
	 '360'= 'Indonesia '
	 '372'= 'Ireland '
	 '376'= 'Israel'
	 '380'= 'Italy '
	 '392'= 'Japan '
	 '410'= 'Korea '
	 '428'= 'Latvia '
	 '438'= 'Liechtenstein '
	 '442'= 'Luxembourg '
	 '446'= 'Macao Special Administrative Region of China '
	 '484'= 'Mexico '
	 '528'= 'Netherlands '
	 '554'= 'New Zealand '
	 '578'= 'Norway '
	 '616'= 'Poland '
	 '620'= 'Portugal '
	 '643'= 'Russian Federation '
	 '703'= 'Slovakia '
	 '724'= 'Spain '
	 '752'= 'Sweden '
	 '756'= 'Switzerland '
	 '764'= 'Thailand '
	 '788'= 'Tunisia '
	 '792'= 'Turkey '
	 '826'= 'United Kingdom'
	 '840'= 'United States '
	 '858'= 'Uruguay '
	 '891'= 'Yugoslavia ';    
	 
	 
 value $s17q14f
         '04001' = 'Austria: DVD'
         '04002' = 'Austria: No DVD'
         '05611' = 'Belgium (Fl.): DVD'
         '05612' = 'Belgium (Fl.): No DVD'
         '05621' = 'Belgium (Fr.): DVD'
         '05622' = 'Belgium (Fr.): No DVD'
         '20301' = 'Czech Republic: Own mobile phone'
         '20302' = 'Czech Republic: No own mobile phone'
         '27601' = 'Germany: Own garden'
         '27602' = 'Germany: No own garden'
         '30001' = 'Greece: Video camera'
         '30002' = 'Greece: No Video camera'
         '34401' = 'Hong Kong: Encyclopedia '
         '34402' = 'Hong Kong: No encyclopedia'
         '34801' = 'Hungary: Video casette recorder'
         '34802' = 'Hungary: No video casette recorder'
         '37201' = 'Ireland: Games console'
         '37202' = 'Ireland: No games console'
         '38001' = 'Italy: Ancient furniture'
         '38002' = 'Italy: No ancient furniture'
         '41001' = 'Korea: DVD'
         '41002' = 'Korea: No DVD'
         '44201' = 'Luxembourg: Satellite dish'
         '44202' = 'Luxembourg: No satellite dish'
         '44601' = 'Macao: Encyclopedia '
         '44602' = 'Macao: No encyclopedia'
         '55401' = 'New Zealand: Clothes dryer'
         '55402' = 'New Zealand: No clothes dryer'
         '57801' = 'Norway: Swimming pool'
         '57802' = 'Norway: No swimming pool'
         '61601' = 'Poland: Satellite or cable TV (> 29 channels)'
         '61602' = 'Poland: No satellite or cable TV (> 29 channels)'
         '72401' = 'Spain: Video'
         '72402' = 'Spain: No video'
         '75601' = 'Switzerland: Musical instrument'
         '75602' = 'Switzerland: No musical instrument'
         '78801' = 'Tunisia: Telephone'
         '78802' = 'Tunisia: No telephone'
         '79201' ='Turkey: Central heating system'
         '79202' ='Turkey: No central heating system'
         '82621' ='Scotland: Musical instruments'
         '82622' ='Scotland: No musical instruments'
         '85801' ='Uruguay: Freezer'
         '85802' ='Uruguay: No freezer'
         '99997' ='N/A'
         '99998' ='Invalid'
         '99999' ='Missing';
        
value $s17q15F
         '04001' = 'Austria: MP3 player'
         '04002' = 'Austria: No MP3 player'
         '05611' = 'Belgium (Fl.): Swimming pool'
         '05612' = 'Belgium (Fl.): No swimming pool'
         '20301' = 'Czech Republic: Your own discman or mp3 player'
         '20302' = 'Czech Republic: No own discman or mp3 player'
         '30001' = 'Greece: HiFi equipment'
         '30002' = 'Greece: No HiFi equipment'
         '34401' = 'Hong Kong: Musical instrument (e.g., piano, violin) '
         '34402' = 'Hong Kong: No musical instrument (e.g., piano, violin) '
         '34801' = 'Hungary: CD player'
         '34802' = 'Hungary: No CD player'
         '37201' = 'Ireland: VCR or DVD'
         '37202' = 'Ireland: No VCR or DVD'
         '38001' = 'Italy: DVD player'
         '38002' = 'Italy: No DVD player'
         '44201' = 'Luxembourg: Own television set'
         '44202' = 'Luxembourg: No own television set'
         '44601' = 'Macao: Musical instrument (e.g., piano, violin) '
         '44602' = 'Macao: No musical instrument (e.g., piano, violin) '
         '55401' = 'New Zealand: DVD'
         '55402' = 'New Zealand: No DVD'
         '57801' = 'Norway: Housekeeper'
         '57802' = 'Norway: No housekeeper'
         '61601' = 'Poland: VCR or DVD'
         '61602' = 'Poland: No VCR or DVD'
         '72401' = 'Spain: DVD'
         '72402' = 'Spain: No DVD'
         '78801' = 'Tunisia: Electricity'
         '78802' = 'Tunisia: No electricity'
         '79201' = 'Turkey: Washing machine'
         '79202' = 'Turkey: No washing machine'
         '82621' = 'Scotland: Cable/satellite TV'
         '82622' = 'Scotland: No Cable/satellite TV'
         '85801' = 'Uruguay: DVD '
         '85802' = 'Uruguay: No DVD '
         '99997' = 'N/A'
         '99998' = 'Invalid'
         '99999' = 'Missing';

value $s17q16f
         '04001' = 'Austria: Digital camera'
         '04002' = 'Austria: No digital camera'
         '05611' = 'Belgium (Fl.): CDs with classical music'
         '05612' = 'Belgium (Fl.): No CDs with classical music'
         '30001' = 'Greece: Air conditioning'
         '30002' = 'Greece: No air conditioning'
         '34801' = 'Hungary: DVD'
         '34802' = 'Hungary: No DVD'
         '38001' = 'Italy: Musical instrument (except flute)'
         '38002' = 'Italy: No musical instrument (except flute)'
         '44201' = 'Luxembourg: Own mobile phone'
         '44202' = 'Luxembourg: No own mobile phone'
         '72401' = 'Spain: Video console (Playstation, X-Box, Nintendo, etc.)'
         '72402' = 'Spain: No video console (Playstation, X-Box, Nintendo, etc.)'
         '78801' = 'Tunisia: Running water'
         '78802' = 'Tunisia: No running water'
         '79201' = 'Turkey: Vacuum cleaner'
         '79202' = 'Turkey: No vacuum cleaner'
         '82621' = 'Scotland: Kitchen range (eg AGA, Rayburn)'
         '82622' ='Scotland: No kitchen range (eg AGA, Rayburn)'
         '85801' ='Uruguay: Water heater'
         '85802' ='Uruguay: No water heater'
         '99997' ='N/A'
         '99998' ='Invalid'
         '99999' ='Missing';
         
value  $PROGNF     
         '036001' = 'AUS: <Year 10 in a general academic program '                                          
         '036002' = 'AUS: <Year 10 in a general program (vocational)'                                       
         '036003' = 'AUS: Year 11 or 12 in a general academic program'                                      
         '036004' = 'AUS: Year 11 or 12 in a VET (vocational) course'                                       
         '040002' = 'AUT: Hauptschule (Lower Secondary school)'                                             
         '040003' = 'AUT: Polytechnische Schule (Vocational)'                                               
         '040004' = 'AUT: Sonderschule (Special school (lower sec.))'                                       
         '040005' = 'AUT: Sonderschul-Oberstufe (Special school (upper sec.))'                              
         '040006' = 'AUT: AHS-Unterstufe (Gymnasium Lower Secondary )'                                      
         '040007' = 'AUT: AHS-Oberstufe (Gymnasium Upper Secondary )'                                       
         '040010' = 'AUT: Berufsschule  (Apprenticeship)'                                                   
         '040011' = 'AUT: BMS  (Medium vocational school )'                                                 
         '040012' = 'AUT: Haushaltungs- und Hauswirtschaftsschulen (Medium voc.)'                           
         '040014' = 'AUT: BHS  (Higher vocational school)'                                                  
         '040015' = 'AUT: Anst. Der Kindergarten-/Sozialpadagogik (Voc. college)'                           
         '056111' = 'BEL: 1st year A of 1st stage of General Education (Fl.)'                               
         '056112' = 'BEL: 1st year B of 1st stage of General Education (Fl.)'                               
         '056113' = 'BEL: 2nd year of 1st stage, prep. voc. sec. education (Fl.)'                           
         '056114' = 'BEL: 2nd year of 1st stage, prep. reg. sec. education (Fl.)'                           
         '056115' = 'BEL: 2nd & 3rd stage regular sec. education (Fl.)'                                     
         '056116' = 'BEL: 2nd & 3rd stage technical sec. education (Fl.)'                                   
         '056117' = 'BEL: 2nd & 3rd stage artistic sec. education (Fl.)'                                    
         '056118' = 'BEL: 2nd & 3rd stage vocational sec. ed. (Fl.)'                                        
         '056119' = 'BEL: Part-time vocational sec. ed. for labour market (Fl.)'                            
         '056120' = 'BEL: Special sec. education (Fl.)'                                                     
         '056197' = 'BEL: Missing (Fl.)'                                                                    
         '056231' = 'BEL: (1st grade of )General Education (Fr.)'                                           
         '056232' = 'BEL: Special needs (Fr.)'                                                              
         '056233' = 'BEL: Vocational Education (Fr.)'                                                       
         '056234' = 'BEL: Complementary year or programme for 1st degree  (Fr.)'                            
         '056235' = 'BEL: General Education (Fr.)'                                                          
         '056236' = 'BEL: Technical or Artistical Education (transition) (Fr.)'                             
         '056237' = 'BEL: Technical  or Artistical  Education (qualif.) (Fr.)'                              
         '056238' = 'BEL: Vocational Education (Fr.)'                                                       
         '056239' = 'BEL: Vocational training for labour market (Fr.)'                                      
         '056242' = 'BEL: Special sec. education (form 3 or 4 - voc.) (Fr.)'                                
         '056244' = 'BEL: Special sec. education form 3 (Germ.)'                                            
         '056245' = 'BEL: Part-time Vocational Education (Germ.)'                                           
         '056246' = 'BEL: Vocational Education (Germ.)'                                                     
         '056297' = 'BEL: Missing (Fr.&Germ.)'                                                              
         '076001' = 'BRA: Lower sec. education'                                                             
         '076002' = 'BRA: Upper sec. education'                                                             
         '076097' = 'BRA: Missing'                                                                          
         '124102' = 'CAN: Grades 7 - 9 '                                                                    
         '124103' = 'CAN: Grades 10  - 12 '                                                                 
         '124197' = 'CAN: Missing'                                                                          
         '756001' = 'CHE: sec. education, 1st stage'                                                        
         '756002' = 'CHE: Preparatory course for vocational education'                                      
         '756003' = 'CHE: School prep. for the university entrance certificate'                             
         '756004' = 'CHE: Vocational baccalaureat, dual system 3-4 years'                                   
         '756005' = 'CHE: Vocational education, dual system 3-4 years'                                      
         '756006' = 'CHE: Intermediate diploma school 3-4 years'                                            
         '756007' = 'CHE: Basic vocational education, dual system 1-2 years'                                
         '756008' = 'CHE: Intermediate Diploma School'                                                      
         '756099' = 'CHE: Missing '                                                                         
         '203001' = 'CZE: Basic school'                                                                     
         '203002' = 'CZE: 6, 8-year gymnasium & 8-year conservatory (lower sec.)'                           
         '203003' = 'CZE: 6, 8-year gymnasium (upper sec.)'                                                 
         '203004' = 'CZE: 4- year gymnasium'                                                                
         '203005' = 'CZE: Voc/tech sec. school with maturate'                                               
         '203006' = 'CZE: Conservatory (upper sec.)'                                                        
         '203007' = 'CZE: Voc/tech sec. school without maturate'                                            
         '203008' = 'CZE: Special schools'                                                                  
         '203009' = 'CZE: Practical schools, vocational education predominantly'                            
         '276001' = 'DEU: Lower sec. access to upper sec. (compr., special educ.)'                          
         '276002' = 'DEU: Lower sec. no access to upper sec. (Hauptschule)'                                 
         '276003' = 'DEU: Lower sec. no access to upper sec. (Realschule)'                                  
         '276004' = 'DEU: Lower sec. access to upper sec. (Gymnasium)'                                      
         '276005' = 'DEU: Lower sec. access to upper sec. (comprehensive)'                                  
         '276006' = 'DEU: Lower sec. no access to upper sec. (Koop. Gesamtschule)'                          
         '276009' = 'DEU: Lower sec. no access to upper sec.'                                               
         '276010' = 'DEU: Lower sec. no access to upper sec.'                                               
         '276011' = 'DEU: Lower sec. no access to upper sec.'                                               
         '276012' = 'DEU: Lower sec. no access to upper sec.'                                               
         '276013' = 'DEU: Lower sec. with access to upper sec. (comprehensive)'                             
         '276014' = 'DEU: pre-vocational training year'                                                     
         '276015' = 'DEU: Vocational school (Berufsschule)'                                                 
         '276016' = 'DEU: Vocational school (Berufsfachschule)'                                             
         '276017' = 'DEU: Upper sec. (Gymnasium)'                                                           
         '276018' = 'DEU: Upper sec. (comprehensive)'                                                       
         '276097' = 'DEU: Missing '                                                                         
         '208001' = 'DNK: Lower sec.'                                                                       
         '208002' = 'DNK: Continuation school'                                                              
         '208004' = 'DNK: Upper sec.'                                                                       
         '208097' = 'DNK: Missing '                                                                         
         '724101' = 'ESP: Compulsory sec. Education'                                                        
         '724102' = 'ESP: Baccalaureat'                                                                     
         '724201' = 'ESP: Compulsory sec. Education'                                                        
         '724301' = 'ESP: Compulsory sec. Education'                                                        
         '724401' = 'ESP: Compulsory sec. Education'                                                        
         '246001' = 'FIN: Comprehensive sec. school'                                                        
         '250001' = 'FRA: 5ème, 4ème, 3ème (lower sec.)'                                                    
         '250002' = 'FRA: SEGPA, CPA (special education)'                                                   
         '250003' = 'FRA: 2nde ou 1ère (générale ou techn.) (upper sec. general)'                           
         '250004' = 'FRA: Enseignement professionnel (upper sec. vocational)'                               
         '250005' = 'FRA: apprentissage (upper sec. vocational)'                                            
         '826101' = 'GBR: Studies toward Entry Level Certificates'                                          
         '826102' = 'GBR: Studies toward  academic GCSEs eg history, Fr.'                                   
         '826103' = 'GBR: Studies toward applied or vocational GCSEs '                                      
         '826104' = 'GBR: Studies at GNVQ Foundation or Intermed. Level (6-unit)'                           
         '826105' = 'GBR: Studies toward NVQ Level 1 or 2'                                                  
         '826106' = 'GBR: Studies toward for AS or A Levels'                                                
         '826109' = 'GBR: < Year 10 (England&Wales) or < Year 11 (North. Ireland)'                          
         '300001' = 'GRC: Gymnasio ( lower sec. education) '                                                
         '300002' = 'GRC: Eniaio Lykeio (upper sec. education) '                                            
         '300003' = 'GRC: Technical-vocational training inst.): 1st & 2nd cycle'                            
         '344001' = 'HKG: Lower sec. in G & I Sch.'                                                         
         '344002' = 'HKG: Upper sec. in G & I Sch.'                                                         
         '344003' = 'HKG: Lower sec. in P & T Sch.'                                                         
         '344004' = 'HKG: Upper sec. in P & T Sch.'                                                         
         '348001' = 'HUN: Primary school'                                                                   
         '348002' = 'HUN: Grammar school '                                                                  
         '348003' = 'HUN: Vocational sec. school'                                                           
         '348004' = 'HUN: Vocational school'                                                                
         '360002' = 'IDN: Junior sec. School'                                                               
         '360003' = 'IDN: Islamic Junior sec. School'                                                       
         '360004' = 'IDN: High School'                                                                      
         '360005' = 'IDN: Islamic High School'                                                              
         '360006' = 'IDN: Vocational & Technical School'                                                    
         '372001' = 'IRL: Junior Cert'                                                                      
         '372002' = 'IRL: Transition Year Programme'                                                        
         '372003' = 'IRL: Leaving Cert. Applied'                                                            
         '372004' = 'IRL: Leaving Cert. General'                                                            
         '372005' = 'IRL: Leaving Cert.  Vocational'                                                        
         '352001' = 'ISL: Lower sec. school'                                                                
         '380001' = 'ITA: Lower sec. education'                                                             
         '380002' = 'ITA: Technical Institute'                                                              
         '380003' = 'ITA: Professional or Art Institute, Art High School'                                   
         '380004' = 'ITA: Scientif., Classical or linguistic High School'                                   
         '380005' = 'ITA: Professional School (only in Bolzano)'                                            
         '392001' = 'JPN: Upper sec. school (General)'                                                      
         '392002' = 'JPN: Technical college (1st 3 years)'                                                  
         '392003' = 'JPN: Upper sec. school (Vocational)'                                                   
         '410001' = 'KOR: Lower sec. Education (Jung-hakgyo)'                                               
         '410002' = 'KOR: Upper sec. Education (Ilban Kodeung-hakgyo)'                                      
         '410003' = 'KOR: Upper sec. Education (Silup Kodeung-hakgyo)'                                      
         '438001' = 'LIE: sec. education, 1st stage'                                                        
         '438002' = 'LIE: Preparatory course for vocational education'                                      
         '438003' = 'LIE: School prep. for the university entrance certificate'                             
         '442001' = 'LUX: Year 7 or 8 or 9'                                                                 
         '442002' = 'LUX: Year 7 or 8 or 9'                                                                 
         '442003' = 'LUX: Year 10 or 11, with mostly VET (vocational) subjects '                            
         '442004' = 'LUX: Year 10-12, in a program leading to an apprenticeship'                            
         '442005' = 'LUX: Year 10-12 in a program leading to higher education '                             
         '442006' = 'LUX: Year 10-12 in a program leading to university '                                   
         '428001' = 'LVA: Basic education'                                                                  
         '428004' = 'LVA: General sec. education'                                                           
         '428097' = 'LVA: Missing'                                                                          
         '446001' = 'MAC: Lower sec. in G & I Sch.'                                                         
         '446002' = 'MAC: Upper sec. in G & I Sch.'                                                         
         '446003' = 'MAC: Lower sec. in P & T Sch.'                                                         
         '446004' = 'MAC: Upper sec. in P & T Sch.'                                                         
         '484001' = 'MEX: General Lower sec.'                                                               
         '484002' = 'MEX: Technical Lower sec.'                                                             
         '484003' = 'MEX: Lower sec. for workers'                                                           
         '484004' = 'MEX: General Lower sec. by Television'                                                 
         '484005' = 'MEX: Job Training '                                                                    
         '484006' = 'MEX: General Baccalaureate or Upper sec.(Years prog.)'                                 
         '484007' = 'MEX: General Baccalaureate or Upper sec.(semester prog.)'                              
         '484008' = 'MEX: General Baccalaureate or Upper sec.(two years prog.)'                             
         '484009' = 'MEX: Technical Baccalaureate or Upper sec. (semester prog.)'                           
         '484010' = 'MEX: Professional Technician (semester prog.)'                                         
         '528001' = 'NLD: PRO'                                                                              
         '528002' = 'NLD: VMBO'                                                                             
         '528003' = 'NLD: VMBO BB'                                                                          
         '528004' = 'NLD: VMBO KB'                                                                          
         '528005' = 'NLD: VMBO GL'                                                                          
         '528006' = 'NLD: VMBO TL'                                                                          
         '528007' = 'NLD: HAVO 2/3'                                                                         
         '528008' = 'NLD: HAVO 4/5 '                                                                        
         '528009' = 'NLD: VWO 2/3'                                                                          
         '528010' = 'NLD: VWO 4/5'                                                                          
         '528097' = 'NLD: Missing'                                                                          
         '578001' = 'NOR: Lower sec.'                                                                       
         '578002' = 'NOR: Upper sec.'                                                                       
         '554001' = 'NZL: Years 7 to 10 '                                                                   
         '554002' = 'NZL: Years 11 to 13'                                                                   
         '554097' = 'NZL: Missing'                                                                          
         '616001' = 'POL: Gymnasium'                                                                        
         '616002' = 'POL: Lyceum - General education'                                                       
         '620001' = 'PRT: Lower sec.'                                                                       
         '620003' = 'PRT: Upper sec.'                                                                       
         '620004' = 'PRT: Vocational sec. (technological)'                                                  
         '620005' = 'PRT: Vocational sec. (professional)'                                                   
         '643001' = 'RUS: Basic general education (Lower sec.) '                                            
         '643002' = 'RUS: Sec. general education (Upper sec.)'                                              
         '643003' = 'RUS: Initial professional education (prof. schools, etc.)'                             
         '643004' = 'RUS: Sec. professional education (technikum, college, etc.)'                           
         '643099' = 'RUS: Missing '                                                                         
         '826201' = 'SCO: All students in S4'                                                               
         '826202' = 'SCO: S5 and studies at Higher level, A-level, or equivalent'                           
         '826203' = 'SCO: S5 and studies at Intermed., Access level or equivalent'                          
         '703002' = 'SVK: Basic school (lower sec.)'                                                        
         '703004' = 'SVK: Vocational Basic school (lower sec.)'                                             
         '703005' = 'SVK: sec. school (lower sec.)'                                                         
         '703006' = 'SVK: sec. school (upper sec.)'                                                         
         '703007' = 'SVK: High School (Gymnasium)'                                                          
         '703008' = 'SVK: sec. College'                                                                     
         '703009' = 'SVK: Technical College'                                                                
         '703010' = 'SVK: Vocational College'                                                               
         '752001' = 'SWE: Compulsory basic school '                                                         
         '752002' = 'SWE: Upper sec. school, general orientation '                                          
         '752003' = 'SWE: Upper sec. school, vocational orientation '                                       
         '752004' = 'SWE: Upper sec. school, the individual programme '                                     
         '752097' = 'SWE: Missing'                                                                          
         '764001' = 'THA: Lower sec. level'                                                                 
         '764002' = 'THA: Upper sec. level'                                                                 
         '764003' = 'THA: Vocational stream'                                                                
         '788001' = 'TUN: Enseignement de base (lower sec.)'                                                
         '788002' = 'TUN: 2ndaire (upper sec.)'                                                             
         '792001' = 'TUR: Primary education (lower sec.)'                                                   
         '792002' = 'TUR: General high school (upper sec.)'                                                 
         '792003' = 'TUR: Anatolian high school (upper sec.)'                                               
         '792004' = 'TUR: High school with foreign language (upper sec.)'                                   
         '792005' = 'TUR: Science high schools (upper sec.)'                                                
         '792006' = 'TUR: Vocational high schools'                                                          
         '792007' = 'TUR: Anatolian vocational high schools'                                                
         '792008' = 'TUR: Technical high schools'                                                           
         '792009' = 'TUR: Anatolian technical high schools'                                                 
         '858001' = 'URY: Lower sec. (Plan 86)'                                                             
         '858002' = 'URY: Lower sec. (Plan 96)'                                                             
         '858003' = 'URY: Lower sec. (Plan 96 technological)'                                               
         '858004' = 'URY: Vocational lower sec. (basic courses)'                                            
         '858005' = 'URY: Vocational lower sec. (basic professional)'                                       
         '858006' = 'URY: Rural lower sec.'                                                                 
         '858007' = 'URY: General upper sec.'                                                               
         '858008' = 'URY: Technical upper sec.'                                                             
         '858009' = 'URY: Vocational upper sec.'                                                            
         '858010' = 'URY: Military School'                                                                  
         '840001' = 'USA: Grades 7 - 9'                                                                     
         '840002' = 'USA: Grades 10 - 12'                                                                   
         '840097' = 'USA: Missing'                                                                          
         '891001' = 'YUG: Gymnasium'                                                                        
         '891002' = 'YUG: Technical'                                                                        
         '891003' = 'YUG: Technical Vocational'                                                             
         '891004' = 'YUG: Medical'                                                                          
         '891005' = 'YUG: Medical Vocational'                                                               
         '891006' = 'YUG: Economic'                                                                         
         '891007' = 'YUG: Economic Vocational'                                                              
         '891008' = 'YUG: Agricultural'                                                                     
         '891009' = 'YUG: Agricultaral Vocational '                                                         
         '891010' = 'YUG: Artistic '                                                                        
         '891097' = 'YUG: Missing';                                                                         
                                                                                                            
value $STRF
"03601" ="Australia: ACT"
  "03602" ="Australia: NSW"
  "03603" ="Australia: VIC"
  "03604" ="Australia: QLD"
  "03605" ="Australia: SA"
  "03606" ="Australia: WA"
  "03607" ="Australia: TAS"
  "03608" ="Australia: NT"
  "04002" ="Austria: Hauptschule"
  "04003" ="Austria: Polytechn. Schule"
  "04005" ="Austria: Gymnasium"
  "04006" ="Austria: Realgymnasium"
  "04007" ="Austria: Oberstufenrealgymnasium"
  "04009" ="Austria: Berufsschule (techn.-gewerbl.)"
  "04010" ="Austria: Berufsschule (kaufmänn./Handel/Verkehr)"
  "04012" ="Austria: BMS (gewerblich-technisch-kunstgewerbl.)"
  "04013" ="Austria: BMS (kaufmännisch/Handelschulen)"
  "04014" ="Austria: BMS (wirtschafts-/sozialberufl.)"
  "04015" ="Austria: BMS (land-/forstwirtschaftl.)"
  "04016" ="Austria: BHS (techn.-gewerblich)"
  "04017" ="Austria: BHS (kaufmännisch)"
  "04018" ="Austria: BHS (wirtschafts-/sozialberufl)"
  "04019" ="Austria: BHS (land-/forstwirtschaftl.)"
  "04020" ="Austria: Anstalt der Kindergarten-/Sozialpädagogik"
  "04021" ="Austria:Moderately small schools"
  "04022" ="Austria:Very small schools"
  "05601" ="Belgium (Flemish): Only general education, private"
  "05602" ="Belgium (Flemish): Only general education, public"
  "05603" ="Belgium (Flemish): Gen.-techn.-vocat.-arts, private"
  "05604" ="Belgium (Flemish): Gen.-techn.-vocat.-arts, public"
  "05605" ="Belgium (Flemish): Techn.,arts, not general, private"
  "05606" ="Belgium (Flemish): Techn.-vocat.-arts, not gen., public"
  "05607" ="Belgium (Flemish): Special education - private"
  "05608" ="Belgium (Flemish): Special education - public"
  "05609" ="Belgium (Flemish): Part time vocational"
  "05610" ="Belgium (Flemish): Moderately small schools"
  "05611" ="Belgium (Flemish): Very small schools"
  "05612" ="Belgium (French): Organised by community"
  "05613" ="Belgium (French): Organised by community, spec. ed."
  "05614" ="Belgium (French): Official schools subsidised by comm."
  "05615" ="Belgium (French): Subsidised special education"
  "05616" ="Belgium (French): Subsidised confessional"
  "05617" ="Belgium (French): Subsidised confessional - spec. ed."
  "05618" ="Belgium (French): Subsidised non-confessional"
  "05619" ="Belgium (French): Subsidised non-confessional - spec. ed."
  "05620" ="Belgium (German)"
  "07601" ="Brazil: Central (private)"
  "07602" ="Brazil: Central (public)"
  "07603" ="Brazil: North (private)"
  "07604" ="Brazil: North (public)"
  "07605" ="Brazil: Northeast (private)"
  "07606" ="Brazil: Northeast (public)"
  "07607" ="Brazil: South (private)"
  "07608" ="Brazil: South (public)"
  "07609" ="Brazil: Southeast (private)"
  "07610" ="Brazil: Southeast (public)"
  "07611" ="Brazil: Small schools"
  "07612" ="Brazil: Very small schools"
  "12400" ="Canada"
  "20301" ="Czech Republic: Stratum 1"
  "20302" ="Czech Republic: Stratum 2"
  "20303" ="Czech Republic: Stratum 3"
  "20304" ="Czech Republic: Stratum 4"
  "20305" ="Czech Republic: Stratum 5"
  "20306" ="Czech Republic: Stratum 6"
  "20307" ="Czech Republic: Stratum 7"
  "20308" ="Czech Republic: Stratum 8"
  "20309" ="Czech Republic: Stratum 9"
  "20310" ="Czech Republic: Stratum 10"
  "20311" ="Czech Republic: Stratum 11"
  "20312" ="Czech Republic: Stratum 12"
  "20313" ="Czech Republic: Stratum 13"
  "20314" ="Czech Republic: Stratum 14"
  "20315" ="Czech Republic: Stratum 15"
  "20316" ="Czech Republic: Stratum 16"
  "20317" ="Czech Republic: Stratum 17"
  "20318" ="Czech Republic: Stratum 18"
  "20319" ="Czech Republic: Stratum 19"
  "20320" ="Czech Republic: Stratum 20"
  "20321" ="Czech Republic: Stratum 21"
  "20322" ="Czech Republic: Stratum 22"
  "20323" ="Czech Republic: Stratum 23"
  "20324" ="Czech Republic: Stratum 24"
  "20325" ="Czech Republic: Stratum 25"
  "20326" ="Czech Republic: Stratum 26"
  "20327" ="Czech Republic: Stratum 27"
  "20328" ="Czech Republic: Stratum 28"
  "20329" ="Czech Republic: Stratum 29"
  "20330" ="Czech Republic: Stratum 30"
  "20331" ="Czech Republic: Stratum 31"
  "20332" ="Czech Republic: Stratum 32"
  "20333" ="Czech Republic: Stratum 33"
  "20334" ="Czech Republic: Stratum 34"
  "20801" ="Denmark: Large schools"
  "20802" ="Denmark: Moderately small schools"
  "20803" ="Denmark: Very Small schools"
  "24601" ="Finland: Stratum 1"
  "24602" ="Finland: Stratum 2"
  "24603" ="Finland: Stratum 3"
  "24604" ="Finland: Stratum 4"
  "24605" ="Finland: Stratum 5"
  "24606" ="Finland: Stratum 6"
  "24607" ="Finland: Stratum 7"
  "24608" ="Finland: Stratum 8"
  "24609" ="Finland: Stratum 9"
  "24610" ="Finland: Stratum 10"
  "24611" ="Finland: Stratum 11"
  "24612" ="Finland: Stratum 12"
  "25001" ="France: Lycées généraux et technologiques"
  "25002" ="France: Collèges"
  "25003" ="France: Lycées professionnels"
  "25004" ="France: Lycées agricoles"
  "25005" ="France: Moderately small  schools"
  "25006" ="France: Very small schools"
  "27601" ="Germany: Stratum 1"
  "27602" ="Germany: Stratum 2"
  "27603" ="Germany: Stratum 3"
  "27604" ="Germany: Stratum 4"
  "27605" ="Germany: Stratum 5"
  "27606" ="Germany: Stratum 6"
  "27607" ="Germany: Stratum 7"
  "27608" ="Germany: Stratum 8"
  "27609" ="Germany: Stratum 9"
  "27610" ="Germany: Stratum 10"
  "27611" ="Germany: Stratum 11"
  "27612" ="Germany: Stratum 12"
  "27613" ="Germany: Stratum 13"
  "27614" ="Germany: Stratum 14"
  "27615" ="Germany: Stratum 15"
  "27616" ="Germany: Stratum 16"
  "27617" ="Germany: Stratum 17"
  "27618" ="Germany: Stratum 18"
  "30001" ="Greece: Stratum 1"
  "30002" ="Greece: Stratum 2"
  "30003" ="Greece: Stratum 3"
  "30004" ="Greece: Stratum 4"
  "30005" ="Greece: Stratum 5"
  "30006" ="Greece: Stratum 6"
  "30007" ="Greece: Stratum 7"
  "30008" ="Greece: Stratum 8"
  "30009" ="Greece: Stratum 9"
  "30010" ="Greece: Stratum 10"
  "30011" ="Greece: Stratum 11"
  "30012" ="Greece: Stratum 12"
  "34401" ="Hong Kong SAR: Stratum 1"
  "34402" ="Hong Kong SAR: Stratum 2"
  "34403" ="Hong Kong SAR: Stratum 3"
  "34801" ="Hungary: Stratum 1"
  "34802" ="Hungary: Stratum 2"
  "34803" ="Hungary: Stratum 3"
  "34804" ="Hungary: Stratum 4"
  "34805" ="Hungary: Stratum 5"
  "35201" ="Iceland: Stratum 1"
  "35202" ="Iceland: Stratum 2"
  "35203" ="Iceland: Stratum 3"
  "35204" ="Iceland: Stratum 4"
  "35205" ="Iceland: Stratum 5"
  "35206" ="Iceland: Stratum 6"
  "35207" ="Iceland: Stratum 7"
  "35208" ="Iceland: Stratum 8"
  "35209" ="Iceland: Stratum 9"
  "36001" ="Indonesia: Stratum 1"
  "36002" ="Indonesia: Stratum 2"
  "36003" ="Indonesia: Stratum 3"
  "36004" ="Indonesia: Stratum 4"
  "36005" ="Indonesia: Stratum 5"
  "36006" ="Indonesia: Stratum 6"
  "36007" ="Indonesia: Stratum 7"
  "36008" ="Indonesia: Stratum 8"
  "36009" ="Indonesia: Stratum 9"
  "36010" ="Indonesia: Stratum 10"
  "36011" ="Indonesia: Stratum 11"
  "36012" ="Indonesia: Stratum 12"
  "36013" ="Indonesia: Stratum 13"
  "36014" ="Indonesia: Stratum 14"
  "36015" ="Indonesia: Stratum 15"
  "36016" ="Indonesia: Stratum 16"
  "36017" ="Indonesia: Stratum 17"
  "36018" ="Indonesia: Stratum 18"
  "36019" ="Indonesia: Stratum 19"
  "36020" ="Indonesia: Stratum 20"
  "36021" ="Indonesia: Stratum 21"
  "36022" ="Indonesia: Stratum 22"
  "36023" ="Indonesia: Stratum 23"
  "36024" ="Indonesia: Stratum 24"
  "36025" ="Indonesia: Stratum 25"
  "36026" ="Indonesia: Stratum 26"
  "36027" ="Indonesia: Stratum 27"
  "36028" ="Indonesia: Stratum 28"
  "37201" ="Ireland: Stratum 1"
  "37202" ="Ireland: Stratum 2"
  "37203" ="Ireland: Stratum 3"
  "38014" ="Italy, Veneto-Nord Est: Stratum 14"
  "38015" ="Italy, Veneto-Nord Est: Stratum 15"
  "38016" ="Italy, Veneto-Nord Est: Stratum 16"
  "38017" ="Italy, Veneto-Nord Est: Stratum 17"
  "38018" ="Italy, Veneto-Nord Est: Stratum 18"
  "38019" ="Italy, Trento-Nord-Est: Stratum 19"
  "38020" ="Italy, Trento-Nord-Est: Stratum 20"
  "38028" ="Italy, Toscana-Centro: Stratum 28"
  "38029" ="Italy, Toscana-Centro: Stratum 29"
  "38030" ="Italy, Toscana-Centro: Stratum 30"
  "38031" ="Italy, Toscana-Centro: Stratum 31"
  "38001" ="Italy, Piemonte-Nord-Ovest: Stratum 1"
  "38002" ="Italy, Piemonte-Nord-Ovest: Stratum 2"
  "38003" ="Italy, Piemonte-Nord-Ovest: Stratum 3"
  "38004" ="Italy, Piemonte-Nord-Ovest: Stratum 4"
  "38005" ="Italy, Lombardia-Nord Ovest: Stratum 5"
  "38006" ="Italy, Lombardia-Nord Ovest: Stratum 6"
  "38007" ="Italy, Lombardia-Nord Ovest: Stratum 7"
  "38008" ="Italy, Lombardia-Nord Ovest: Stratum 8"
  "38021" ="Italy, Bolzano: Stratum 21"
  "38022" ="Italy, Bolzano: Stratum 22"
  "38009" ="Italy, Other regions: Stratum 9"
  "38010" ="Italy, Other regions: Stratum 10"
  "38011" ="Italy, Other regions: Stratum 11"
  "38012" ="Italy, Other regions: Stratum 12"
  "38013" ="Italy, Other regions: Stratum 13"
  "38023" ="Italy, Other regions: Stratum 23"
  "38024" ="Italy, Other regions: Stratum 24"
  "38025" ="Italy, Other regions: Stratum 25"
  "38026" ="Italy, Other regions: Stratum 26"
  "38032" ="Italy, Other regions: Stratum 32"
  "38033" ="Italy, Other regions: Stratum 33"
  "38034" ="Italy, Other regions: Stratum 34"
  "38035" ="Italy, Other regions: Stratum 35"
  "38036" ="Italy, Other regions: Stratum 36"
  "38037" ="Italy, Other regions: Stratum 37"
  "38038" ="Italy, Other regions: Stratum 38"
  "38039" ="Italy, Other regions: Stratum 39"
  "38040" ="Italy, Other regions: Stratum 40"
  "38041" ="Italy, Other regions: Stratum 41"
  "38042" ="Italy, Other regions: Stratum 42"
  "38043" ="Italy, Other regions: Stratum 43"
  "38044" ="Italy, Other regions: Stratum 44"
  "39201" ="Japan: Public & Academic Course"
  "39202" ="Japan: Public & Practical Course"
  "39203" ="Japan: Private & Academic Course"
  "39204" ="Japan: Private & Practical Course"
  "41001" ="Korea: Metropolitan General"
  "41002" ="Korea: Metropolitan Vocational "
  "41003" ="Korea: Urban General"
  "41004" ="Korea: Urban Vocational"
  "41005" ="Korea: Urban General & Vocational"
  "41006" ="Korea: Rural General"
  "41007" ="Korea: Rural Vocational"
  "41008" ="Korea: Rural General & Vocational"
  "41009" ="Korea: Moderately small schools"
  "42801" ="Latvia: Large schools"
  "42802" ="Latvia: Moderately small schools"
  "42803" ="Latvia: Very small schools"
  "43840" ="Liechtenstein"
  "44201" ="Luxembourg: Stratum 1"
  "44202" ="Luxembourg: Stratum 2"
  "44203" ="Luxembourg: Stratum 3"
  "44601" ="Macao SAR: Stratum 1"
  "44602" ="Macao SAR: Stratum 2"
  "44603" ="Macao SAR: Stratum 3"
  "48401" ="Mexico: Aguascalientes"
  "48402" ="Mexico: Baja California"
  "48403" ="Mexico: Baja California Sur"
  "48404" ="Mexico: Campeche Coahuila"
  "48405" ="Mexico: Coahuila"
  "48406" ="Mexico: Colima"
  "48407" ="Mexico: Chiapas"
  "48408" ="Mexico: Chihuahua"
  "48409" ="Mexico: Distrito Federal"
  "48410" ="Mexico: Durango"
  "48411" ="Mexico: Guanajuato"
  "48412" ="Mexico: Guerrero"
  "48413" ="Mexico: Hidalgo"
  "48414" ="Mexico: Jalisco"
  "48415" ="Mexico: Mexico"
  "48417" ="Mexico: Morelos"
  "48418" ="Mexico: Nayarit"
  "48419" ="Mexico: Nuevo Leon"
  "48420" ="Mexico: Oaxaca"
  "48421" ="Mexico: Puebla"
  "48422" ="Mexico: Queretaro"
  "48423" ="Mexico: Quintana Roo"
  "48424" ="Mexico: San Luis Potosi"
  "48425" ="Mexico: Sinaloa"
  "48426" ="Mexico: Sonora"
  "48427" ="Mexico: Tabasco"
  "48428" ="Mexico: Tamaulipas"
  "48429" ="Mexico: Tlaxcala"
  "48430" ="Mexico: Veracruz"
  "48431" ="Mexico: Yucatan"
  "48432" ="Mexico: Zacatecas"
  "48433" ="Mexico: Small schools"
  "48434" ="Mexico: Very small schools"
  "52801" ="Netherlands: Lower secondary schools"
  "52802" ="Netherlands: Upper secondary schools"
  "55401" ="New Zealand"
  "57801" ="Norway: Stratum 1"
  "57802" ="Norway: Stratum 2"
  "57803" ="Norway: Stratum 3"
  "57804" ="Norway: Stratum 4"
  "61601" ="Poland: Gimnazja"
  "61602" ="Poland: Licea (vss)"
  "62001" ="Portugal: Açores"
  "62002" ="Portugal: DREA"
  "62003" ="Portugal: DREALG"
  "62004" ="Portugal: DREC"
  "62005" ="Portugal: DREL"
  "62006" ="Portugal: DREN"
  "62007" ="Portugal: Madeira"
  "62008" ="Portugal: Small schools"
  "62009" ="Portugal: Very small schools"
  "64303" ="Russian Federation: Stratum 3"
  "64304" ="Russian Federation: Stratum 4"
  "64307" ="Russian Federation: Stratum 7"
  "64308" ="Russian Federation: Stratum 8"
  "64314" ="Russian Federation: Stratum 14"
  "64316" ="Russian Federation: Stratum 16"
  "64318" ="Russian Federation: Stratum 18"
  "64321" ="Russian Federation: Stratum 21"
  "64322" ="Russian Federation: Stratum 22"
  "64323" ="Russian Federation: Stratum 23"
  "64324" ="Russian Federation: Stratum 24"
  "64325" ="Russian Federation: Stratum 25"
  "64326" ="Russian Federation: Stratum 26"
  "64327" ="Russian Federation: Stratum 27"
  "64331" ="Russian Federation: Stratum 31"
  "64332" ="Russian Federation: Stratum 32"
  "64334" ="Russian Federation: Stratum 34"
  "64335" ="Russian Federation: Stratum 35"
  "64336" ="Russian Federation: Stratum 36"
  "64337" ="Russian Federation: Stratum 37"
  "64338" ="Russian Federation: Stratum 38"
  "64342" ="Russian Federation: Stratum 42"
  "64343" ="Russian Federation: Stratum 43"
  "64347" ="Russian Federation: Stratum 47"
  "64348" ="Russian Federation: Stratum 48"
  "64350" ="Russian Federation: Stratum 50"
  "64351" ="Russian Federation: Stratum 51"
  "64352" ="Russian Federation: Stratum 52"
  "64353" ="Russian Federation: Stratum 53"
  "64354" ="Russian Federation: Stratum 54"
  "64355" ="Russian Federation: Stratum 55"
  "64356" ="Russian Federation: Stratum 56"
  "64358" ="Russian Federation: Stratum 58"
  "64359" ="Russian Federation: Stratum 59"
  "64361" ="Russian Federation: Stratum 61"
  "64363" ="Russian Federation: Stratum 63"
  "64364" ="Russian Federation: Stratum 64"
  "64366" ="Russian Federation: Stratum 66"
  "64370" ="Russian Federation: Stratum 70"
  "64371" ="Russian Federation: Stratum 71"
  "64374" ="Russian Federation: Stratum 74"
  "64376" ="Russian Federation: Stratum 76"
  "64377" ="Russian Federation: Stratum 77"
  "64378" ="Russian Federation: Stratum 78"
  "64386" ="Russian Federation: Stratum 86"
  "70301" ="Slovak Republic: Stratum 1"
  "70302" ="Slovak Republic: Stratum 2"
  "70303" ="Slovak Republic: Stratum 3"
  "70304" ="Slovak Republic: Stratum 4"
  "70305" ="Slovak Republic: Stratum 5"
  "70306" ="Slovak Republic: Stratum 6"
  "70307" ="Slovak Republic: Stratum 7"
  "70308" ="Slovak Republic: Stratum 8"
  "70309" ="Slovak Republic: Stratum 9"
  "70310" ="Slovak Republic: Stratum 10"
  "70311" ="Slovak Republic: Stratum 11"
  "70312" ="Slovak Republic: Stratum 12"
  "70313" ="Slovak Republic: Stratum 13"
  "70314" ="Slovak Republic: Stratum 14"
  "70315" ="Slovak Republic: Stratum 15"
  "70316" ="Slovak Republic: Stratum 16"
  "70317" ="Slovak Republic: Stratum 17"
  "70318" ="Slovak Republic: Stratum 18"
  "70319" ="Slovak Republic: Stratum 19"
  "70320" ="Slovak Republic: Stratum 20"
  "72401" ="Spain: Stratum 1"
  "72402" ="Spain: Stratum 2"
  "72403" ="Spain: Stratum 3"
  "72419" ="Spain: Stratum 19"
  "72420" ="Spain: Stratum 20"
  "72421" ="Spain: Stratum 21"
  "72422" ="Spain: Stratum 22"
  "72423" ="Spain: Stratum 23"
  "72424" ="Spain: Stratum 24"
  "72425" ="Spain: Stratum 25"
  "72426" ="Spain: Stratum 26"
  "72427" ="Spain: Stratum 27"
  "72428" ="Spain: Stratum 28"
  "72429" ="Spain: Stratum 29"
  "72430" ="Spain: Stratum 30"
  "72431" ="Spain: Stratum 31"
  "72432" ="Spain: Stratum 32"
  "72433" ="Spain: Stratum 33"
  "72434" ="Spain: Stratum 34"
  "72435" ="Spain: Stratum 35"
  "72436" ="Spain: Stratum 36"
  "72437" ="Spain: Stratum 37"
  "72438" ="Spain: Stratum 38"
  "72439" ="Spain: Stratum 39"
  "72440" ="Spain: Stratum 40"
  "72441" ="Spain: Stratum 41"
  "72442" ="Spain: Stratum 42"
  "72443" ="Spain: Stratum 43"
  "72444" ="Spain: Stratum 44"
  "72445" ="Spain: Stratum 45"
  "72404" ="Spain, Castilia y Leon: Stratum 4"
  "72405" ="Spain, Castilia y Leon: Stratum 5"
  "72406" ="Spain, Castilia y Leon: Stratum 6"
  "72407" ="Spain, Castilia y Leon: Stratum 7"
  "72408" ="Spain, Catalonia: Stratum 8"
  "72409" ="Spain, Catalonia: Stratum 9"
  "72410" ="Spain, Catalonia: Stratum 10"
  "72411" ="Spain, Basque Country: Stratum 11"
  "72412" ="Spain, Basque Country: Stratum 12"
  "72413" ="Spain, Basque Country: Stratum 13"
  "72414" ="Spain, Basque Country: Stratum 14"
  "72415" ="Spain, Basque Country: Stratum 15"
  "72416" ="Spain, Basque Country: Stratum 16"
  "72417" ="Spain, Basque Country: Stratum 17"
  "72418" ="Spain, Basque Country: Stratum 18"
  "75201" ="Sweden: Stratum 1"
  "75202" ="Sweden: Stratum 2"
  "75203" ="Sweden: Stratum 3"
  "75204" ="Sweden: Stratum 4"
  "75205" ="Sweden: Stratum 5"
  "75206" ="Sweden: Stratum 6"
  "75207" ="Sweden: Stratum 7"
  "75208" ="Sweden: Stratum 8"
  "75209" ="Sweden: Stratum 9"
  "75601" ="Switzerland (German): Stratum 1"
  "75602" ="Switzerland (German): Stratum 2"
  "75603" ="Switzerland (German): Stratum 3"
  "75604" ="Switzerland (German): Stratum 4"
  "75605" ="Switzerland (German): Stratum 5"
  "75606" ="Switzerland (German): Stratum 6"
  "75607" ="Switzerland (German): Stratum 7"
  "75608" ="Switzerland (German): Stratum 8"
  "75609" ="Switzerland (German): Stratum 9"
  "75610" ="Switzerland (German): Stratum 10"
  "75611" ="Switzerland (German): Stratum 11"
  "75612" ="Switzerland (German): Stratum 12"
  "75613" ="Switzerland (German): Stratum 13"
  "75614" ="Switzerland (German): Stratum 14"
  "75615" ="Switzerland (French): Stratum 15"
  "75616" ="Switzerland (French): Stratum 16"
  "75617" ="Switzerland (French): Stratum 17"
  "75618" ="Switzerland (French): Stratum 18"
  "75619" ="Switzerland (French): Stratum 19"
  "75620" ="Switzerland (French): Stratum 20"
  "75621" ="Switzerland (French): Stratum 21"
  "75623" ="Switzerland (French): Stratum 23"
  "75624" ="Switzerland (French): Stratum 24"
  "75625" ="Switzerland (French): Stratum 25"
  "75626" ="Switzerland (French): Stratum 26"
  "75628" ="Switzerland (French): Stratum 28"
  "75629" ="Switzerland (Italian): Stratum 29"
  "75631" ="Switzerland (Italian): Stratum 31"
  "75632" ="Switzerland (Italian): Stratum 32"
  "75634" ="Switzerland (Italian): Stratum 34"
  "76401" ="Thailand: Stratum 1"
  "76402" ="Thailand: Stratum 2"
  "76403" ="Thailand: Stratum 3"
  "76404" ="Thailand: Stratum 4"
  "76405" ="Thailand: Stratum 5"
  "76406" ="Thailand: Stratum 6"
  "76407" ="Thailand: Stratum 7"
  "76408" ="Thailand: Stratum 8"
  "76409" ="Thailand: Stratum 9"
  "76410" ="Thailand: Stratum 10"
  "76411" ="Thailand: Stratum 11"
  "76412" ="Thailand: Stratum 12"
  "76413" ="Thailand: Stratum 13"
  "76414" ="Thailand: Stratum 14"
  "76415" ="Thailand: Stratum 15"
  "78801" ="Tunisia: East"
  "78802" ="Tunisia: West"
  "79201" ="Turkey: Stratum 1"
  "79202" ="Turkey: Stratum 2"
  "79203" ="Turkey: Stratum 3"
  "79204" ="Turkey: Stratum 4"
  "79205" ="Turkey: Stratum 5"
  "79206" ="Turkey: Stratum 6"
  "79207" ="Turkey: Stratum 7"
  "79208" ="Turkey: Stratum 8"
  "79209" ="Turkey: Stratum 9"
  "79210" ="Turkey: Stratum 10"
  "79211" ="Turkey: Stratum 11"
  "79212" ="Turkey: Stratum 12"
  "79213" ="Turkey: Stratum 13"
  "79214" ="Turkey: Stratum 14"
  "79215" ="Turkey: Stratum 15"
  "79216" ="Turkey: Stratum 16"
  "79217" ="Turkey: Stratum 17"
  "79218" ="Turkey: Stratum 18"
  "79219" ="Turkey: Stratum 19"
  "79220" ="Turkey: Stratum 20"
  "79221" ="Turkey: Stratum 21"
  "79222" ="Turkey: Stratum 22"
  "79223" ="Turkey: Stratum 23"
  "79224" ="Turkey: Stratum 24"
  "79225" ="Turkey: Stratum 25"
  "79226" ="Turkey: Stratum 26"
  "79227" ="Turkey: Stratum 27"
  "79228" ="Turkey: Stratum 28"
  "79229" ="Turkey: Stratum 29"
  "79230" ="Turkey: Stratum 30"
  "79231" ="Turkey: Stratum 31"
  "79232" ="Turkey: Stratum 32"
  "79233" ="Turkey: Stratum 33"
  "79234" ="Turkey: Stratum 34"
  "79235" ="Turkey: Stratum 35"
  "79236" ="Turkey: Stratum 36"
  "79237" ="Turkey: Stratum 37"
  "79238" ="Turkey: Stratum 38"
  "79239" ="Turkey: Stratum 39"
  "79240" ="Turkey: Stratum 40"
  "79241" ="Turkey: Stratum 41"
  "79242" ="Turkey: Stratum 42"
  "79243" ="Turkey: Stratum 43"
  "82611" ="England"
  "82613" ="N.Ireland"
  "82614" ="N.Ireland: Very large schools"
  "82615" ="Wales"
  "82601" ="Scotland: Stratum 1"
  "82602" ="Scotland: Stratum 2"
  "82603" ="Scotland: Stratum 3"
  "82604" ="Scotland: Stratum 4"
  "82605" ="Scotland: Stratum 5"
  "84000" ="United States"
  "85801" ="Uruguay: Liceos Publicos (Mdeo/AM)"
  "85802" ="Uruguay: Liceos Publicos (cap. dptos interior)"
  "85803" ="Uruguay: Liceos Publicos (rural)"
  "85804" ="Uruguay: Escuelas tecnicas (Mdeo/AM)"
  "85805" ="Uruguay: Escuelas tecnicas (interior)"
  "85806" ="Uruguay: Colegios privados"
  "85808" ="Uruguay: Small schools"
  "85809" ="Uruguay: Very small schools"
  "89101" ="Yugoslavia: Stratum 1"
  "89102" ="Yugoslavia: Stratum 2"
  "89103" ="Yugoslavia: Stratum 3"
  "89104" ="Yugoslavia: Stratum 4"
  "89105" ="Yugoslavia: Stratum 5"
  "89106" ="Yugoslavia: Stratum 6"
  "89107" ="Yugoslavia: Stratum 7"
  "89108" ="Yugoslavia: Stratum 8";
  run;     
         
data Pisa.stud;
      length
	country		$3                      
	cnt		$3                    
	SUBNATIO	$4                    
	SCHOOLid	$5                    
	STIDSTD 	$5                    
	ST01Q01		3                     
	ST02Q02		3                     
	ST02Q03		3                     
	ST03Q01		3                     
	ST04Q01		3                     
	ST04Q02		3                     
	ST04Q03		3                     
	ST04Q04		3                     
	ST04Q05		3                     
	ST05Q01		3                     
	ST06Q01		3                     
	ST07Q01		$4                    
	ST09Q01		$4                    
	ST11R01		3                       
	ST12Q01		3                       
	ST12Q02		3                       
	ST12Q03		3                       
	ST13R01		3                       
	ST14Q01		3                       
	ST14Q02		3                       
	ST14Q03		3                       
	ST15Q01		3                       
	ST15Q02		3                       
	ST15Q03		3                       
	ST15Q04		8                       
	ST16Q01		3                       
	ST17Q01		3                       
	ST17Q02		3                       
	ST17Q03		3                       
	ST17Q04		3                       
	ST17Q05		3                       
	ST17Q06		3                       
	ST17Q07		3                       
	ST17Q08		3                       
	ST17Q09		3                       
	ST17Q10		3                       
	ST17Q11		3                       
	ST17Q12		3                       
	ST17Q13		3                       
	ST17Q14		$5                    
	ST17Q15		$5                    
	ST17Q16		$5                    
	ST19Q01		3                       
	ST20Q01		3                       
	ST21Q01		8                     
	ST22Q01		3                     
	ST22Q02		3                     
	ST22Q03		3                     
	ST23Q01		3                     
	ST23Q02		3                     
	ST23Q03		3                     
	ST23Q04		3                     
	ST23Q05		3                     
	ST23Q06		3                     
	ST24Q01		3                     
	ST24Q02		3                     
	ST24Q03		3                     
	ST24Q04		3                     
	ST25Q01		3                     
	ST25Q02		3                     
	ST25Q03		3                     
	ST25Q04		3                     
	ST25Q05		3                     
	ST25Q06		3                     
	ST26Q01		3                     
	ST26Q02		3                     
	ST26Q03		3                     
	ST26Q04		3                     
	ST26Q05		3                     
	ST27Q01		3                     
	ST27Q02		3                     
	ST27Q03		3                     
	ST27Q04		3                     
	ST27Q05		3                     
	ST27Q06		3                     
	ST28Q01		3                     
	ST29Q01		8                     
	ST29Q02		8                     
	ST29Q03		8                     
	ST29Q04		8                     
	ST29Q05		8                     
	ST29Q06		8                     
	ST30Q01	        3                     
	ST30Q02	        3                     
	ST30Q03	        3                     
	ST30Q04	        3                     
	ST30Q05	        3                     
	ST30Q06	        3                     
	ST30Q07	        3                     
	ST30Q08	        3                     
	ST31Q01	        3                     
	ST31Q02	        3                     
	ST31Q03	        3                     
	ST31Q04	        3                     
	ST31Q05	        3                     
	ST31Q06	        3                     
	ST31Q07	        3                     
	ST31Q08	        3                     
	ST32Q01	        3                     
	ST32Q02	        3                     
	ST32Q03	        3                     
	ST32Q04	        3                     
	ST32Q05	        3                     
	ST32Q06	        3                     
	ST32Q07	        3                     
	ST32Q08	        3                     
	ST32Q09	        3                     
	ST32Q10	        3                     
	ST33Q01	        8                     
	ST33Q02	        8                     
	ST33Q03	        8                     
	ST33Q04	        8                     
	ST33Q05	        8                     
	ST33Q06	        8                     
	ST34Q01	        3                     
	ST34Q02	        3                     
	ST34Q03	        3                     
	ST34Q04	        3                     
	ST34Q05	        3                     
	ST34Q06	        3                     
	ST34Q07	        3                     
	ST34Q08	        3                     
	ST34Q09	        3                     
	ST34Q10	        3                     
	ST34Q11	        3                     
	ST34Q12	        3                     
	ST34Q13	        3                     
	ST34Q14	        3                     
	ST35Q02	        8                     
	ST35Q03	        8                     
	ST36Q01	        8                     
	ST37Q01	        3                     
	ST37Q02	        3                     
	ST37Q03	        3                     
	ST37Q04	        3                     
	ST37Q05	        3                     
	ST37Q06	        3                     
	ST37Q07	        3                     
	ST37Q08	        3                     
	ST37Q09	        3                     
	ST37Q10	        3                     
	ST38Q01	        3                     
	ST38Q02	        3                     
	ST38Q03	        3                     
	ST38Q04	        3                     
	ST38Q05	        3                     
	ST38Q06	        3                     
	ST38Q07	        3                     
	ST38Q08	        3                     
	ST38Q09	        3                     
	ST38Q10	        3                     
	ST38Q11	        3                     
	EC01Q01	        3                     
	EC02Q01	        3                     
	EC03Q01	        3                     
	EC04Q01	        3                     
	EC05Q01	        3                     
	EC06Q01	        3                     
	EC06Q02		$4                    
	EC07Q01		8                     
	EC07Q02		3                     
	EC07Q03		8                     
	EC08Q01		$4                    
	IC01Q01		3                     
	IC01Q02		3                     
	IC01Q03		3                     
	IC02Q01		3                     
	IC03Q01		3                     
	IC04Q01		3                     
	IC04Q02		3                     
	IC04Q03		3                     
	IC05Q01		3                     
	IC05Q02		3                     
	IC05Q03		3                     
	IC05Q04		3                     
	IC05Q05		3                     
	IC05Q06		3                     
	IC05Q07		3                     
	IC05Q08		3                     
	IC05Q09		3                     
	IC05Q10		3                     
	IC05Q11		3                     
	IC05Q12		3                     
	IC06Q01		3                     
	IC06Q02		3                     
	IC06Q03		3                     
	IC06Q04		3                     
	IC06Q05		3                     
	IC06Q06		3                     
	IC06Q07		3                     
	IC06Q08		3                     
	IC06Q09		3                     
	IC06Q10		3                     
	IC06Q11		3                     
	IC06Q12		3                     
	IC06Q13		3                     
	IC06Q14		3                     
	IC06Q15		3                     
	IC06Q16		3                     
	IC06Q17		3                     
	IC06Q18		3                     
	IC06Q19		3                     
	IC06Q20		3                     
	IC06Q21		3                     
	IC06Q22		3                     
	IC06Q23		3                     
	IC07Q01		3                     
	IC07Q02		3                     
	IC07Q03		3                     
	IC07Q04		3                     
	IC08Q01		3                     
	IC09Q01		3                     
	SC07Q01		3                     
	CLCUSE3a	8                     
	CLCUSE3b	8                     
	AGE		8                     
	GRADE		8                     
	ISCEDL		3                     
	ISCEDD		3                     
	ISCEDO		3                     
	ProgN		$6                    
	FAMSTRUC	3                     
	BMMJ		3                     
	BFMJ		3                     
	BSMJ		3                     
	HISEI		8                     
	MSECATEG	3                     
	FSECATEG	3                     
	HSECATEG	3                     
	SSECATEG	3                     
	MISCED		3                     
	FISCED		3                     
	HISCED		3                     
	PARED		8                     
	ISO_S		$8                    
	ISO_M		$8                    
	ISO_F		$8                    
	IMMIG		3                     
	LANG		3                     
	LANGN		$6                    
	SISCED		3                     
	MMINS		8                     
	TMINS		8                     
	PCMATH		8                     
	RMHMWK		8                     
	COMPHOME	8                     
	CULTPOSS	8                     
	HEDRES		8                     
	HOMEPOS		8                     
	ATSCHL		8                     
	STUREL		8                     
	BELONG		8                     
	INTMAT		8                     
	INSTMOT		8                     
	MATHEFF		8                     
	ANXMAT		8                     
	SCMAT		8                     
	CSTRAT		8                     
	ELAB		8                     
	MEMOR		8                     
	COMPLRN		8                     
	COOPLRN		8                     
	TEACHSUP	8                     
	DISCLIM		8                     
	INTUSE		8                     
	PRGUSE		8                     
	ROUTCONF	8                     
	INTCONF		8                     
	HIGHCONF	8                     
	ATTCOMP		8                     
	ESCS		8                     
	pv1math		8                     
	pv2math		8                     
	pv3math		8                     
	pv4math		8                     
	pv5math		8                     
	pv1math1	8                     
	pv2math1	8                     
	pv3math1	8                     
	pv4math1	8                     
	pv5math1	8                     
	pv1math2	8                     
	pv2math2	8                     
	pv3math2	8                     
	pv4math2	8                     
	pv5math2	8                     
	pv1math3	8                     
	pv2math3	8                     
	pv3math3	8                     
	pv4math3	8                     
	pv5math3	8                     
	pv1math4	8                     
	pv2math4	8                     
	pv3math4	8                     
	pv4math4	8                     
	pv5math4	8                     
	pv1read	        8                     
	pv2read	        8                     
	pv3read	        8                     
	pv4read	        8                     
	pv5read	        8                     
	pv1scie	        8                     
	pv2scie	        8                     
	pv3scie	        8                     
	pv4scie	        8                     
	pv5scie	        8                     
	pv1prob	        8                     
	pv2prob	        8                     
	pv3prob	        8                     
	pv4prob	        8                     
	pv5prob	        8                     
	w_fstuwt	8                     
	CNTFAC1 	8                     
	CNTFAC2 	8                     
	OECD    	3                     
	UH      	3                     
	w_fstr1	        8                     
	w_fstr2	        8                     
	w_fstr3	        8                     
	w_fstr4	        8                     
	w_fstr5	        8                     
	w_fstr6	        8                     
	w_fstr7	        8                     
	w_fstr8	        8                     
	w_fstr9	        8                     
	w_fstr10	8                     
	w_fstr11	8                     
	w_fstr12	8                     
	w_fstr13	8                     
	w_fstr14	8                     
	w_fstr15	8                     
	w_fstr16	8                     
	w_fstr17	8                     
	w_fstr18	8                     
	w_fstr19	8                     
	w_fstr20	8                     
	w_fstr21	8                     
	w_fstr22	8                     
	w_fstr23	8                     
	w_fstr24	8                     
	w_fstr25	8                     
	w_fstr26	8                     
	w_fstr27	8                     
	w_fstr28	8                     
	w_fstr29	8                     
	w_fstr30	8                     
	w_fstr31	8                     
	w_fstr32	8                     
	w_fstr33	8                     
	w_fstr34	8                     
	w_fstr35	8                     
	w_fstr36	8                     
	w_fstr37	8                     
	w_fstr38	8                     
	w_fstr39	8                     
	w_fstr40	8                     
	w_fstr41	8                     
	w_fstr42	8                     
	w_fstr43	8                     
	w_fstr44	8                     
	w_fstr45	8                     
	w_fstr46	8                     
	w_fstr47	8                     
	w_fstr48	8                     
	w_fstr49	8                     
	w_fstr50	8                     
	w_fstr51	8                     
	w_fstr52	8                     
	w_fstr53	8                     
	w_fstr54	8                     
	w_fstr55	8                     
	w_fstr56	8                     
	w_fstr57	8                     
	w_fstr58	8                     
	w_fstr59	8                     
	w_fstr60	8                     
	w_fstr61	8                     
	w_fstr62	8                     
	w_fstr63	8                     
	w_fstr64	8                     
	w_fstr65	8                     
	w_fstr66	8                     
	w_fstr67	8                     
	w_fstr68	8                     
	w_fstr69	8                     
	w_fstr70	8                     
	w_fstr71	8                     
	w_fstr72	8                     
	w_fstr73	8                     
	w_fstr74	8                     
	w_fstr75	8                     
	w_fstr76	8                     
	w_fstr77	8                     
	w_fstr78	8                     
	w_fstr79	8                     
	w_fstr80	8                     
	WVARSTRR	8                     
	UNIT    	3                     
        STRATUM         $5

;                                      
      infile stui  missover linesize = 1883;
      input                                 
	COUNTRY     1    -   3	         
	CNT         4    -   6                                      
	SUBNATIO    7    -   10                                     
	SCHOOLID    11   -   15                                     
	STIDSTD     16   -   20                                     
	ST01Q01     22   -   23                                     
	ST02Q02     24   -   25                                     
	ST02Q03     26   -   27                                     
	ST03Q01     28   -   28                                     
	ST04Q01     29   -   29                                     
	ST04Q02     30   -   30                                     
	ST04Q03     31   -   31                                     
	ST04Q04     32   -   32                                     
	ST04Q05     33   -   33                                     
	ST05Q01     34   -   34                                     
	ST06Q01     35   -   35                                     
	ST07Q01     36   -   39                                     
	ST09Q01     40   -   43                                     
	ST11R01     44   -   44	                                        
	ST12Q01     45   -   45	                                        
	ST12Q02     46   -   46	                                        
	ST12Q03     47   -   47	                                        
	ST13R01     48   -   48	                                        
	ST14Q01     49   -   49	                                        
	ST14Q02     50   -   50	                                        
	ST14Q03     51   -   51	                                        
	ST15Q01     52   -   53	                                        
	ST15Q02     54   -   55	                                        
	ST15Q03     56   -   57	                                        
	ST15Q04     58   -   65	                                        
	ST16Q01     66   -   67	                                        
	ST17Q01     68   -   68	                                        
	ST17Q02     69   -   69	                                        
	ST17Q03     70   -   70	                                        
	ST17Q04     71   -   71	                                        
	ST17Q05     72   -   72	                                        
	ST17Q06     73   -   73	                                        
	ST17Q07     74   -   74	                                        
	ST17Q08     75   -   75	                                        
	ST17Q09     76   -   76	                                        
	ST17Q10     77   -   77	                                        
	ST17Q11     78   -   78	                                        
	ST17Q12     79   -   79	                                        
	ST17Q13     80   -   80	                                        
	ST17Q14     81   -   85                                     
	ST17Q15     86   -   90                                     
	ST17Q16     91   -   95                                     
	ST19Q01     96   -   96	                                        
	ST20Q01     97   -   97	                                        
	ST21Q01     98   -   102	                            
	ST22Q01     103  -   103	                            
	ST22Q02     104  -   104	                            
	ST22Q03     105  -   105	                            
	ST23Q01     106  -   106	                            
	ST23Q02     107  -   107	                            
	ST23Q03     108  -   108	                            
	ST23Q04     109  -   109	                            
	ST23Q05     110  -   110	                            
	ST23Q06     111  -   111	                            
	ST24Q01     112  -   112	                            
	ST24Q02     113  -   113	                            
	ST24Q03     114  -   114	                            
	ST24Q04     115  -   115	                            
	ST25Q01     116  -   116	                            
	ST25Q02     117  -   117	                            
	ST25Q03     118  -   118	                            
	ST25Q04     119  -   119	                            
	ST25Q05     120  -   120	                            
	ST25Q06     121  -   121	                            
	ST26Q01     122  -   122	                            
	ST26Q02     123  -   123	                            
	ST26Q03     124  -   124	                            
	ST26Q04     125  -   125	                            
	ST26Q05     126  -   126	                            
	ST27Q01     127  -   127	                            
	ST27Q02     128  -   128	                            
	ST27Q03     129  -   129	                            
	ST27Q04     130  -   130	                            
	ST27Q05     131  -   131	                            
	ST27Q06     132  -   132	                            
	ST28Q01     133  -   133	                            
	ST29Q01     134  -   141	                            
	ST29Q02     142  -   149	                            
	ST29Q03     150  -   157	                            
	ST29Q04     158  -   165	                            
	ST29Q05     166  -   173	                            
	ST29Q06     174  -   181	                            
	ST30Q01     182  -   182	                            
	ST30Q02     183  -   183	                            
	ST30Q03     184  -   184	                            
	ST30Q04     185  -   185	                            
	ST30Q05     186  -   186	                            
	ST30Q06     187  -   187	                            
	ST30Q07     188  -   188	                            
	ST30Q08     189  -   189	                            
	ST31Q01     190  -   190	                            
	ST31Q02     191  -   191	                            
	ST31Q03     192  -   192	                            
	ST31Q04     193  -   193	                            
	ST31Q05     194  -   194	                            
	ST31Q06     195  -   195	                            
	ST31Q07     196  -   196	                            
	ST31Q08     197  -   197	                            
	ST32Q01     198  -   198	                            
	ST32Q02     199  -   199	                            
	ST32Q03     200  -   200	                            
	ST32Q04     201  -   201	                            
	ST32Q05     202  -   202	                            
	ST32Q06     203  -   203	                            
	ST32Q07     204  -   204	                            
	ST32Q08     205  -   205	                            
	ST32Q09     206  -   206	                            
	ST32Q10     207  -   207	                            
	ST33Q01     208  -   215	                            
	ST33Q02     216  -   223	                            
	ST33Q03     224  -   231	                            
	ST33Q04     232  -   239	                            
	ST33Q05     240  -   247	                            
	ST33Q06     248  -   255	                            
	ST34Q01     256  -   256	                            
	ST34Q02     257  -   257	                            
	ST34Q03     258  -   258	                            
	ST34Q04     259  -   259	                            
	ST34Q05     260  -   260	                            
	ST34Q06     261  -   261	                            
	ST34Q07     262  -   262	                            
	ST34Q08     263  -   263	                            
	ST34Q09     264  -   264	                            
	ST34Q10     265  -   265	                            
	ST34Q11     266  -   266	                            
	ST34Q12     267  -   267	                            
	ST34Q13     268  -   268	                            
	ST34Q14     269  -   269	                            
	ST35Q02     270  -   277	                            
	ST35Q03     278  -   285	                            
	ST36Q01     286  -   293	                            
	ST37Q01     294  -   294	                            
	ST37Q02     295  -   295	                            
	ST37Q03     296  -   296	                            
	ST37Q04     297  -   297	                            
	ST37Q05     298  -   298	                            
	ST37Q06     299  -   299	                            
	ST37Q07     300  -   300	                            
	ST37Q08     301  -   301	                            
	ST37Q09     302  -   302	                            
	ST37Q10     303  -   303	                            
	ST38Q01     304  -   304	                            
	ST38Q02     305  -   305	                            
	ST38Q03     306  -   306	                            
	ST38Q04     307  -   307	                            
	ST38Q05     308  -   308	                            
	ST38Q06     309  -   309	                            
	ST38Q07     310  -   310	                            
	ST38Q08     311  -   311	                            
	ST38Q09     312  -   312	                            
	ST38Q10     313  -   313	                            
	ST38Q11     314  -   314	                            
	EC01Q01     315  -   315	                            
	EC02Q01     316  -   316	                            
	EC03Q01     317  -   317	                            
	EC04Q01     318  -   318	                            
	EC05Q01     319  -   319	                            
	EC06Q01     320  -   320	                            
	EC06Q02     321  -   324                                    
	EC07Q01     325  -   332                                    
	EC07Q02     333  -   333                                    
	EC07Q03     334  -   341                                    
	EC08Q01     342  -   345                                    
	IC01Q01     346  -   346	                            
	IC01Q02     347  -   347	                            
	IC01Q03     348  -   348	                            
	IC02Q01     349  -   349	                            
	IC03Q01     350  -   350	                            
	IC04Q01     351  -   351	                            
	IC04Q02     352  -   352	                            
	IC04Q03     353  -   353	                            
	IC05Q01     354  -   354	                            
	IC05Q02     355  -   355	                            
	IC05Q03     356  -   356	                            
	IC05Q04     357  -   357	                            
	IC05Q05     358  -   358	                            
	IC05Q06     359  -   359	                            
	IC05Q07     360  -   360	                            
	IC05Q08     361  -   361	                            
	IC05Q09     362  -   362	                            
	IC05Q10     363  -   363	                            
	IC05Q11     364  -   364	                            
	IC05Q12     365  -   365	                            
	IC06Q01     366  -   366	                            
	IC06Q02     367  -   367	                            
	IC06Q03     368  -   368	                            
	IC06Q04     369  -   369	                            
	IC06Q05     370  -   370	                            
	IC06Q06     371  -   371	                            
	IC06Q07     372  -   372	                            
	IC06Q08     373  -   373	                            
	IC06Q09     374  -   374	                            
	IC06Q10     375  -   375	                            
	IC06Q11     376  -   376	                            
	IC06Q12     377  -   377	                            
	IC06Q13     378  -   378	                            
	IC06Q14     379  -   379	                            
	IC06Q15     380  -   380	                            
	IC06Q16     381  -   381	                            
	IC06Q17     382  -   382	                            
	IC06Q18     383  -   383	                            
	IC06Q19     384  -   384	                            
	IC06Q20     385  -   385	                            
	IC06Q21     386  -   386	                            
	IC06Q22     387  -   387	                            
	IC06Q23     388  -   388	                            
	IC07Q01     389  -   389	                            
	IC07Q02     390  -   390	                            
	IC07Q03     391  -   391	                            
	IC07Q04     392  -   392	                            
	IC08Q01     393  -   393	                            
	IC09Q01     394  -   394	                            
	SC07Q01     395  -   397	                            
	CLCUSE3A    398  -   402	                            
	CLCUSE3B    403  -   407	                            
	AGE         408  -   412	                            
	GRADE       413  -   414	                            
	ISCEDL      415  -   415	                            
	ISCEDD      416  -   416	                            
	ISCEDO      417  -   417	                            
	PROGN       418  -   423                                    
	FAMSTRUC    424  -   424                                    
	BMMJ        425  -   426                                    
	BFMJ        427  -   428                                    
	BSMJ        429  -   430                                    
	HISEI       431  -   432                                    
	MSECATEG    433  -   433                                    
	FSECATEG    434  -   434                                    
	HSECATEG    435  -   435                                    
	SSECATEG    436  -   436                                    
	MISCED      437  -   437                                    
	FISCED      438  -   438                                    
	HISCED      439  -   439                                    
	PARED       440  -   441                                    
	ISO_S       442  -   449                                    
	ISO_M       450  -   457                                    
	ISO_F       458  -   465                                    
	IMMIG       466  -   466                                    
	LANG        467  -   467                                    
	LANGN       468  -   473                                    
	SISCED      474  -   474	                            
	MMINS       475  -   482	                            
	TMINS       483  -   490	                            
	PCMATH      491  -   496	                            
	RMHMWK      497  -   504	                            
	COMPHOME    505  -   513	                            
	CULTPOSS    514  -   522	                            
	HEDRES      523  -   531	                            
	HOMEPOS     532  -   540	                            
	ATSCHL      541  -   549	                            
	STUREL      550  -   558	                            
	BELONG      559  -   567	                            
	INTMAT      568  -   576	                            
	INSTMOT     577  -   585	                            
	MATHEFF     586  -   594	                            
	ANXMAT      595  -   603	                            
	SCMAT       604  -   612