Year	% of lower secondary school age
1999	66.1847686767578
2000	65.092170715332
2001	62.3189582824707
2002	59.3370399475098
2003	56.84423828125
2004	54.8617401123047
2005	52.0173797607422
2006	47.8726081848145
2007	45.631519317627
2008	44.077709197998
2009	45.039379119873
2010	42.1978302001953
2011	42.6026191711426
2012	40.5118103027344
2014	47.1986999511719
2015	47.124641418457
2022	49.5820007324219