Category
Group
Subgroup
NameYears of accessibilityData accessibility levelDescription
 total 1999-2015NTS-4-
 tertiary 1999-2015NTS-4-
 post-secondary 1999-2015NTS-4-
 secondary 1999-2015NTS-4-
 basic vocational 1999-2015NTS-4-
 lower secondary 2006-2015NTS-4-
 primary and others 2006NTS-4-
 primary 1999-2005, 2007-2015NTS-4-
 other 1999-2005NTS-4-