Year	% of lower secondary school age
1993	25.2882099151611
1994	26.3741893768311
1995	25.8115501403809
1996	24.5143699645996
1997	23.7515907287598
1998	23.1237697601318
1999	22.2052001953125
2000	21.4355506896973
2001	20.6494293212891
2002	19.6109294891357
2003	18.9378204345703
2004	18.0032005310059
2005	17.4335994720459
2006	17.3346099853516
2007	17.2809791564941
2008	16.7342090606689
2009	15.6279296875
2010	15.76483
2011	15.30247
2012	14.02056
2013	17.23991
2014	15.81377
2015	14.96309
2016	13.41984
2017	13.18379
2018	12.77342