Year	% of lower secondary school age
1998	49.3178482055664
1999	48.4317283630371
2000	47.3430709838867
2001	46.8040008544922
2002	45.443920135498
2003	44.3531608581543
2004	43.30419921875
2005	42.2490386962891
2006	41.315128326416
2007	41.5505714416504
2008	40.4676284790039
2009	39.4171409606934
2010	37.69472
2011	37.21929
2012	36.83631
2013	37.60778
2014	38.48549
2015	38.48271
2016	37.64151
2017	36.66385
2018	37.02855