Year	% of primary school age
1970	34.5801200866699
1971	35.410041809082
1972	34.4895286560059
1973	33.2136917114258
1974	31.4096603393555
1975	29.3206691741943
1976	27.8943195343018
1977	27.1010799407959
1978	27.6870498657227
1979	27.6775493621826
1980	26.8038997650146
1981	25.5267696380615
1982	24.0758399963379
1983	23.769889831543
1984	23.0933303833008
1985	22.1710796356201
1986	22.6217803955078
1987	22.7975597381592
1988	23.16090965271
1989	23.9078598022461
1990	25.2797203063965
1991	25.1853008270264
1992	25.8215408325195
1993	25.8687591552734
1994	24.750509262085
1995	24.8676204681396
1996	24.3837699890137
1997	24.1177501678467
1998	23.411190032959
1999	23.14794921875
2000	20.4683494567871
2001	19.2234497070313
2002	18.4495601654053
2003	17.9435997009277
2004	17.807559967041
2005	17.4402198791504
2006	16.4102993011475
2007	16.1703395843506
2008	16.197940826416
2009	15.8421802520752
2010	15.02765
2011	14.09092
2012	13.94096
2013	13.95628
2014	13.82469
2015	13.52198
2016	13.31086
2017	12.61101
2018	12.9586