Year	% of primary school age children
1971	85.52879
1972	87.84213
1973	88.24087
1974	91.41114
1975	94.87207
1976	90.47547
1977	90.64234
1978	87.22496
1979	86.22798
1980	86.50266
1981	85.4115
1982	84.13935
1983	85.72248
1984	87.68116
1985	90.75518
1986	96.4042
1987	95.01236
1988	98.64034
1989	99.3119
1992	96.11754
1993	97.28665
1994	96.91251
1995	98.33522
2001	92.33802
2002	92.92196
2003	91.14903
2004	90.82105
2005	88.27729
2006	89.1128
2011	90.87216
2012	92.00878
2013	93.32607
2014	95.33449
2015	97.67958
2016	97.0888
2018	99.00458