Year	% of primary school age children
1972	86.81429
1973	92.31774
1974	94.64391
1975	95.026
1976	95.67765
1977	96.54132
1978	97.41195
1979	96.9744
1980	91.70795
1981	89.5602
1982	89.26891
1983	86.61166
1984	86.37609
1985	87.18402
1999	90.49774
2000	91.29915
2002	93.14824
2003	94.38457
2004	94.61694
2005	93.65153
2006	91.91763
2007	89.35883
2008	86.68014
2010	80.77937
2011	78.34933
2012	75.45445
2013	74.93616
2017	80.21221
2018	80.95397