Year	% of lower secondary school age
1998	41.7501602172852
1999	41.9945411682129
2000	41.237419128418
2001	40.9787712097168
2002	41.4007606506348
2003	40.8811416625977
2004	40.0512199401855
2005	39.7859191894531
2006	40.8018913269043
2007	41.771728515625
2008	42.3387718200684
2009	41.0070114135742
2010	39.06051
2011	38.87795
2012	38.52191
2013	38.10724
2014	37.22582
2015	30.50321
2016	26.60038
2017	26.60691
2018	25.54291