Year	% of lower secondary school age
1987	53.7140808105469
1994	53.7282791137695
2002	3.19411993026733
2003	5.18523979187012
2004	6.73639011383057
2005	4.42816019058228
2006	7.19937992095947
2007	9.24032974243164
2009	10.6103801727295
2010	11.5262804031372
2012	14.0894203186035
2013	14.2656898498535
2014	14.9985103607178
2015	15.0356702804565
2016	14.2996397018433
2017	15.0793399810791
2018	16.5475997924805
2019	17.2448101043701
2020	17.1011600494385
2021	17.3382701873779