Year	% of primary school age
1970	58.2199287414551
1971	58.5626106262207
1972	55.8517112731934
1973	52.7852592468262
1974	52.9263114929199
1975	50.8439483642578
1976	49.0955085754395
1977	48.1374015808105
1978	47.1147308349609
1979	46.2874984741211
1980	45.0264511108398
1981	44.1628112792969
1982	44.6560096740723
1983	44.2613182067871
1984	44.5169982910156
1985	44.949520111084
1986	45.017261505127
1987	45.3746681213379
1988	43.5100288391113
1989	43.8192710876465
1990	44.5893516540527
1991	43.1987609863281
1992	43.2196998596191
1993	43.2712783813477
1994	42.4519309997559
1995	41.322380065918
1996	41.0671501159668
1997	39.2341384887695
1998	39.0531196594238
1999	39.1919898986816
2000	36.9431991577148
2001	35.0332412719727
2002	32.0258903503418
2003	29.566219329834
2004	27.5273399353027
2005	25.3099708557129
2006	23.3313102722168
2007	21.9246196746826
2008	19.7173500061035
2009	19.3467407226563
2010	19.49245
2011	18.29996
2012	17.78368
2013	17.47018
2014	16.93698
2015	17.07589
2016	16.96389
2017	16.72182
2018	16.85702