Year	% of lower secondary school age
1999	21.0156402587891
2000	19.0641708374023
2001	17.4371109008789
2002	15.3444404602051
2003	12.208459854126
2004	9.260009765625
2005	6.86246013641357
2006	7.18712997436523
2007	6.70094013214111
2008	7.40397977828979
2009	7.71765995025635
2010	9.47268009185791
2011	11.2362098693848
2012	10.8670101165771
2013	10.7284097671509
2014	10.2940196990967
2015	9.03135967254639
2016	8.43894958496094
2017	7.16358995437622
2018	4.88980007171631
2019	4.64559984207153
2020	4.75234985351562
2021	4.39010000228882
2022	5.04233980178833