Year	% of lower secondary school age
1977	22.3564701080322
1978	20.3599395751953
1979	16.0756607055664
1980	13.1643495559692
1981	9.33895015716553
1982	9.18301963806152
1983	8.37106990814209
1984	10.8939304351807
2005	7.95990991592407
2006	2.74515008926392
2007	2.40688991546631
2008	1.51196002960205
2009	0.849900007247925
2010	1.06011998653412
2011	0.593789994716644
2012	0.208000004291534
2013	1.03900003433228
2014	3.22900009155273
2015	1.72500002384186
2016	0.513000011444092
2017	0.616999983787537
2018	0.925999999046326
2019	3.61700010299683
2020	1.22099995613098