Year	% of lower secondary school age
1970	32.7633209228516
1973	31.3214492797852
1975	35.7719383239746
1976	35.731990814209
1979	30.6569194793701
1981	30.8761806488037
1982	34.355770111084
1985	35.8077812194824
1986	34.0083618164062
1987	33.332160949707
1989	31.5973701477051
1990	29.6860198974609
1991	28.2016105651855
1992	26.3040294647217
1993	26.262659072876
1994	22.6305103302002
1995	25.0585994720459
1996	30.4257297515869
2011	8.80743026733398
2012	10.525050163269
2013	10.6985101699829
2014	11.424220085144
2015	9.37045001983643
2016	8.42838001251221
2017	11.0855903625488
2018	7.19736003875732
2019	4.9648699760437
2020	7.94562005996704
2021	7.05762004852295
2022	5.21998977661133