Year	% of lower secondary school age
1998	49.2720794677734
1999	48.5686798095703
2000	47.7479209899902
2001	46.9239501953125
2002	44.6929817199707
2003	42.6485710144043
2004	41.7703704833984
2005	41.3221206665039
2006	39.2847709655762
2007	38.1990585327148
2008	37.3174095153809
2009	36.4749908447266
2010	35.13897
2011	35.01421
2012	34.04781
2013	35.52705
2014	36.08684
2015	35.45293
2016	35.26462
2017	33.82712
2018	34.14684