Year	% of primary school age children
1975	51.47971
1976	54.4098
1977	59.31814
1978	63.22642
1979	65.978
1980	68.97377
1981	71.8069
1982	71.69097
1983	74.01855
1984	76.91773
1985	75.22146
1986	73.05622
1987	70.49197
1988	68.18711
1989	65.39374
1990	65.85725
1991	65.22733
1992	65.3398
1993	67.38699
1994	69.72415
1995	72.30132
1996	74.30172
1997	75.56575
1998	73.20513
1999	77.03552
2000	80.94707
2001	83.80701
2002	87.37546
2003	88.22487
2004	89.25044
2005	89.84646
2006	90.2438
2007	91.29609
2008	91.64455
2009	90.69756
2010	93.31748
2011	93.97662
2012	93.18637
2013	94.43099
2014	93.78243
2017	96.87776