Year	% of primary school age children
1975	94.05323
1976	91.35999
1977	91.59312
1979	94.91554
1980	94.60948
1981	95.18255
1983	95.94983
1984	94.7645
1985	94.17964
1986	94.44605
1987	98.02138
1988	94.2596
1989	97.42072
1990	97.08572
1991	95.41526
1993	93.5955
1999	91.23857
2000	92.75328
2001	92.74067
2002	91.57579
2003	90.23841
2004	92.46758
2015	81.90386
2016	83.95264
2017	82.58406
2018	80.96528