Year	% of primary school age children
1970	85.47143
1972	87.99677
1973	89.38068
1975	90.45446
1976	92.63459
1978	91.58518
1979	90.11473
1980	90.0067
1981	90.38827
1982	88.50526
1985	85.62774
1986	86.46311
1987	86.5685
1989	86.84742
1990	86.79922
1991	87.26552
1992	89.03262
1993	89.38238
1994	88.44138
1995	89.54187
1996	91.47044
2011	99.43417
2012	99.46534
2013	98.89928
2014	97.21585
2015	97.81775
2016	98.36736
2017	96.55127
2018	97.40817