Year	% of lower secondary school age
1999	44.9516906738281
2000	42.4000396728516
2001	42.912670135498
2002	38.2381896972656
2003	38.3000106811523
2005	25.514030456543
2006	19.8104305267334
2007	22.4097003936768
2008	18.9537601470947
2009	17.90452003479
2013	12.4792203903198
2014	16.8851108551025
2015	12.9823799133301
2016	15.8498201370239
2017	16.582670211792
2018	20.5631408691406
2019	16.1379203796387
2020	13.4211902618408
2021	8.74425983428955
