Year	% of lower secondary school age
1984	29.032470703125
1985	25.6727695465088
1993	24.2174205780029
1994	25.2583408355713
1995	24.6587009429932
1996	23.4684600830078
1997	22.7529697418213
1998	22.1692008972168
1999	21.3229007720947
2000	20.5813407897949
2001	19.8273105621338
2002	18.8589191436768
2003	18.1944904327393
2004	17.2967891693115
2005	16.7351894378662
2006	16.5530490875244
2007	16.3577899932861
2008	15.743709564209
2009	14.5784797668457
2010	14.68313
2011	14.28606
2012	13.12234
2013	15.69339
2014	14.14677
2015	13.26826
2016	11.98614
2017	11.70994
2018	11.25865