Year	% of primary school age children
1971	82.16498
1972	80.39836
1973	79.40518
1974	80.63446
1975	82.87579
1976	87.26523
1977	92.93306
1978	95.28983
1979	96.48813
1980	93.75257
1981	91.76213
1982	93.3501
1983	90.31465
1984	92.14277
1985	95.7693
1986	96.0488
1987	94.90281
1988	95.2509
1989	95.97148
1990	96.42476
1991	95.87488
1992	95.23583
1993	95.31147
1994	94.3003
1995	94.78934
1996	97.65207
1997	99.13231