Year	% of primary school age children
1970	78.64393
1972	70.46281
1975	78.20262
1976	79.11909
1977	80.16302
1978	81.88567
1979	83.19155
1980	85.32919
1981	87.31095
1983	87.53933
1984	87.24532
1985	87.2404
1986	86.14522
1987	86.99188
1988	88.54602
1989	90.62521
1990	92.16674
1991	94.21239
1992	85.96722
1993	95.2745
1994	91.38842
1996	94.52527
1999	98.1986
2000	99.75763
2001	99.4715
2002	97.67724
2003	97.10085
2004	96.68678
2005	97.13101
2006	95.54297
2007	93.56726
2008	91.73074
2009	90.42534
2010	88.71191
2011	89.99722
2012	87.97838