Year	% of lower secondary school age
1993	25.2541408538818
1994	26.3192806243896
1995	25.76708984375
1996	24.4636096954346
1997	23.6798992156982
1998	23.0425891876221
1999	22.1196403503418
2000	21.3385391235352
2001	20.5415802001953
2002	19.4825401306152
2003	18.7552509307861
2004	17.7728004455566
2005	17.1626300811768
2006	17.0826396942139
2007	17.0396003723145
2008	16.5422496795654
2009	15.4969100952148
2010	15.69027
2011	15.2916
2012	14.02234
2013	17.10758
2014	15.67006
2015	14.76798
2016	13.23321
2017	12.94415
2018	12.50963