Year	% of primary school age children
1977	75.95415
1978	76.45086
1981	77.33552
1982	77.28593
1983	76.90481
1984	76.37395
1985	76.31341
1986	76.72948
1987	77.92634
1988	79.7278
1989	81.80276
1990	83.53766
1991	84.35829
1992	84.41117
1993	83.62288
1994	82.74739
1995	89.20925
1996	91.15135
1999	99.48229
2000	99.29619
2001	99.2228
2002	99.22462
2003	99.22777
2010	99.36642
2011	99.49716
2012	99.46339
2013	99.63108
2014	99.64999
2015	99.62628
2016	99.75942
2017	99.6231