Year	% of primary school age children
1971	81.74528
1972	80.65459
1973	79.04926
1974	79.80385
1975	82.54714
1976	87.84803
1977	92.99412
1978	96.59267
1979	97.5818
1980	95.23039
1981	93.51677
1982	93.45978
1983	91.87235
1984	93.0423
1985	96.3909
1986	95.96401
1987	94.78961
1988	94.60263
1989	95.16844
1990	95.79924
1991	95.92238
1992	95.84772
1993	96.16136
1994	94.97511
1995	95.91519
1996	97.45467
1997	98.34696
2011	99.17215
2012	99.75805
2013	99.51892
2014	98.94093
2015	98.98471
2016	98.46075
2017	99.55322