Year	% of primary school age children
1973	34.21934
1979	38.51612
1981	36.49733
1982	36.18197
1983	50.22197
1985	52.72202
1986	51.72821
1987	48.17184
1988	44.23221
1989	44.62412
1990	46.33302
1991	44.54734
1992	42.71635
1993	41.55607
1994	42.6137
1995	44.85301
1998	49.58684
1999	53.24219
2000	57.01518
2001	61.50827
2002	57.07028
2004	70.24087
2005	75.39277
2006	79.27081
2007	84.40163
2008	87.67972
2009	88.70999
2010	89.97482
2011	87.68879
2012	87.93646
2013	89.12473
2014	89.91204
2015	91.51459
2016	90.76644
2017	89.87354
2018	93.92934