Year	% of primary school age children
1977	96.18018
1979	97.33893
1980	97.87624
1981	96.59838
1982	96.87621
1983	93.28764
1984	92.48963
1985	92.00611
1986	93.51711
1987	94.69984
1988	95.79753
1991	95.21674
1992	93.90705
1993	97.37528
1994	96.82198
1995	96.94535
1996	97.42242
2000	99.02991
2002	98.82431
2003	97.90544
2004	96.11564
2005	95.77904
2006	96.19414
2007	97.03662
2008	97.62989
2009	97.60298
2010	97.32975
2011	97.44352
2012	97.85997
2013	97.90429
2014	97.96011
2015	98.4238
2016	98.69945
2017	98.9861