Year	% of primary school age children
1972	81.60143
1976	83.03719
1977	82.64441
1978	81.05621
1979	80.05813
1980	79.77315
1981	79.6443
1982	79.47282
1983	81.08597
1984	82.26314
1986	82.92254
1988	80.22794
1994	74.08579
1995	72.23732
1998	69.61823
1999	68.47504
2000	68.016
2001	67.49059
2002	70.75552
2004	82.96542
2005	90.5931
2006	88.30263
2007	91.82986
2009	88.07905
2010	85.13933
2011	88.69188
2012	89.61495
2013	87.39534
2017	83.202