Year	% of lower secondary school age
1973	31.527250289917
1974	29.3559799194336
1976	26.5270004272461
1977	25.4608993530273
1978	27.8864402770996
1993	4.27715015411377
1994	0.987999975681305
1995	0.441130012273788
2001	0.329070001840591
2002	0.351619988679886
2003	0.107380002737045
2005	0.435939997434616
2006	0.601830005645752
2013	0.154840007424355
2014	0.0404199995100498
2015	0.256639987230301
2016	0.517629981040955
2017	0.662599980831146
2018	0.750169992446899
2019	0.115290001034737
2020	0.300029993057251
2021	0.375470012426376