Year	% of primary school age children
1970	68.03136
1973	92.4553
1977	91.1119
1978	89.93608
1981	81.20033
1983	81.42338
1984	75.62422
1985	73.93182
1986	72.72791
1987	71.73678
1988	79.01743
1989	78.7201
1990	80.65551
2008	94.54157