Year	% of primary school age children
1972	77.74825
1973	78.45853
1974	79.36286
1975	80.63873
1976	80.90678
1977	84.61982
1978	82.24958
1979	79.47468
1980	79.93989
1981	82.86677
1982	88.91167
1983	92.01401
1984	94.80072
1986	98.16871
1990	96.57841
1991	91.93816
1993	92.17023
1994	93.38422
1995	94.33934
1996	96.90761
1997	97.8501
2004	93.69914
2005	95.47626
2009	95.8765
2012	92.82922
2013	94.94541