Year	% of lower secondary school age
1998	22.9148597717285
1999	22.8539199829102
2000	22.0969104766846
2001	21.0840492248535
2002	18.8404998779297
2003	16.3594303131104
2004	14.2669496536255
2005	13.0074195861816
2006	13.1745796203613
2007	11.2031698226929
2008	11.4216299057007
2009	10.7183704376221
2010	10.52804
2011	10.47962
2012	10.45745
2013	10.39712
2014	10.02587
2015	9.69368
2016	9.74937
2017	9.80208
2018	9.7958