Year	% of primary school age children
1971	51.37061
1972	52.37885
1978	70.40387
1979	71.61063
1980	71.90201
1982	69.25949
1983	66.86987
1984	59.87843
1985	58.02037
1986	53.56068
1987	62.64358
1988	63.0018
1989	63.21882
1990	64.38609
1991	66.91344
1994	63.24378
1995	72.19138
1996	79.91571
1997	77.78246
1999	88.63636
2000	87.36033
2001	90.26984
2002	91.00874
2003	91.12596
2004	92.10259
2005	92.44008
2006	93.33284
2007	90.31475
2008	91.31586
2014	92.15809
2015	94.05241
2017	92.61436
2018	94.692