Year	% of primary school age children
1970	59.06959
1971	55.25332
1972	55.88081
1973	56.20799
1974	63.82574
1976	64.22977
1977	64.86645
1978	58.41162
1979	59.36104
1980	59.45404
1981	59.55338
1982	63.38954
1983	62.79703
1984	63.57605
1985	65.65393
1986	65.38437
1987	66.51564
1988	67.28966
1989	66.35433
1990	65.08796
1991	66.2798
1992	66.34746
1993	64.00362
1994	64.91882
1995	63.89581
1996	64.10472
1998	57.26608
1999	54.48613
2000	74.70101
2001	76.52747
2002	79.17065
2003	81.89657
2004	82.19904
2005	84.07836
2006	86.43179
2007	84.86278
2008	86.58138
2009	87.21236
2010	89.22799
2011	89.4223
2012	89.6563
2013	86.90283
2014	87.8859
2015	89.23853
2016	91.20179