Year	% of primary school age children
1971	32.22932
1972	34.52219
1978	53.79596
1979	55.89836
1980	56.81116
1982	54.98564
1983	54.71833
1984	47.77643
1985	46.34194
1986	42.86991
1987	49.56997
1988	50.44962
1989	50.78367
1990	52.61447
1991	55.42146
1994	52.62158
1995	60.95711
1996	67.47189
1997	66.01122
2001	80.69673
2003	82.56632
2005	85.20239
2007	84.37692
2008	85.89702
2014	88.94605
2015	90.95703
2017	89.66983
2018	92.19045