Year	% of primary school age children
1975	95.1505
1976	92.50368
1977	92.97177
1979	96.48257
1980	96.50106
1981	96.40776
1983	97.44464
1984	96.24322
1985	95.49819
1986	95.70327
1987	97.76091
1988	94.64053
1989	98.10415
1990	97.36788
1991	95.72525
1993	92.6702
1999	91.38463
2000	92.8489
2001	92.86926
2002	92.07298
2003	90.81578
2004	92.80977
2015	85.39281
2016	84.39417
2017	82.8713
2018	81.38229