Year	% of primary school age children
1970	85.98607
1972	88.38906
1973	89.98481
1975	90.35005
1976	92.46375
1978	91.78188
1979	90.2667
1980	90.04921
1981	90.52527
1982	88.46685
1985	85.70444
1986	86.29591
1987	86.41773
1989	86.78821
1990	86.5887
1991	86.90466
2013	98.68862
2014	97.21237
2015	97.90027
2016	98.32021
2017	96.57883