Year	% of lower secondary school age
1971	54.9396781921387
1972	54.5676307678223
1973	56.1544914245605
1974	43.8966293334961
1975	52.5602416992188
1976	52.4557189941406
1977	52.7216911315918
1978	51.9899406433105
1979	51.3264083862305
1980	50.8623886108398
2012	37.3264617919922
2014	35.757080078125
2015	34.8476104736328
2016	36.1534690856934
2017	44.8930015563965
2018	48.8520011901855
2020	48.4029998779297
2021	48.5105400085449
2022	47.2862586975098