Year % of lower secondary school age 1982 29.9679393768311 1998 21.3185405731201 1999 17.8897895812988 2000 12.9351997375488 2001 12.1246795654297 2002 15.8446998596191 2004 8.86555957794189 2012 0.912999987602234 2013 3.70799994468689 2014 4.36600017547607 2015 7.50557994842529 2016 7.81091022491455 2017 5.93470001220703 2018 6.67053985595703 2019 6.76974010467529 2020 4.93564987182617