Year	% of primary school age children
1970	34.56778
1973	50.74888
1977	54.57236
1978	53.73746
1981	55.53359
1983	49.21855
1984	52.90903
1985	51.44759
1986	51.01904
1987	50.24342
1988	64.54924
1989	64.80315
1990	68.95354
2008	96.95468