Year	% of primary school age children
1973	23.92941
1979	34.82921
1981	33.67767
1982	33.60308
1983	44.84728
1985	48.04056
1986	47.21884
1987	43.84901
1989	40.05235
1991	38.90162
1992	37.32364
1993	35.89831
1994	36.62206
1995	38.63597
1998	43.1338
1999	46.99319
2000	50.99842
2001	55.67982
2002	52.92996
2004	66.03532
2005	71.32799
2006	75.45181
2007	80.54017
2008	84.04187
2009	85.58978
2010	86.85057
2011	84.95111
2012	85.24891
2013	86.41766
2014	87.33514
2015	88.76509
2016	88.72956
2017	88.22894
2018	92.4766