Year	% of primary school age children
1970	87.62211
1971	87.40935
1972	94.02381
1974	89.02023
1975	97.33629
1983	92.99457
1985	98.12761
1986	96.50238
1990	93.15327
1993	93.43096
1998	93.06859
1999	88.92599