Year	% of lower secondary school age
1971	7.07442998886108
1972	7.30552005767822
1973	4.46116018295288
1974	3.21843004226685
1975	1.76142001152039
1976	0.981289982795715
1977	1.25346004962921
1978	1.85052001476288
1980	1.7905900478363
1982	1.33607995510101
1991	1.59599995613098
1992	1.67391002178192
1995	0.821680009365082
1996	0.550949990749359
1997	0.66118997335434
1998	1.05473005771637
1999	1.09465003013611
2000	1.61735999584198
2001	2.00103998184204
2002	2.24405002593994
2003	2.07136011123657
2004	1.44586002826691
2005	1.26013004779816
2006	1.27252995967865
2007	1.00840997695923
2008	1.21986997127533
2009	1.13143002986908
2010	0.690530002117157
2011	1.4174599647522
2012	0.430330008268356
2014	0.192379996180534
2015	0.302509993314743
2016	0.370999991893768
2017	0.492410004138947
2018	0.53684002161026
2019	0.63279002904892
2020	0.558239996433258
2021	0.362260013818741