Year	% of primary school age children
1971	67.2291
1972	70.65703
1973	72.44004
1974	72.5405
1975	75.90756
1976	73.8364
1977	73.57305
1978	72.7629
1979	74.97447
1980	78.13813
1981	78.47891
1982	76.92443
1983	80.67743
1984	85.49123
1985	91.3604
1986	95.87053
1987	96.04177
1988	97.88943
1989	98.79704
1992	97.96123
1993	98.80626
1994	99.01581
1995	99.9328
2001	97.59441
2002	96.74135
2003	95.79683
2004	95.10547
2005	92.2918
2006	94.96169
2011	92.98872
2012	93.54156
2013	94.24128
2014	96.22045
2015	98.38984
2016	98.75164
2018	97.19373