Year	% of primary school age children
1975	96.26805
1976	93.67281
1977	94.38466
1979	98.10229
1980	98.46277
1981	97.67997
1983	98.99577
1984	97.77829
1985	96.86706
1986	97.00761
1987	97.49165
1988	95.03253
1989	98.8042
1990	97.65581
1991	96.04081
1993	91.73084
1999	91.53453
2000	92.94748
2001	93.00236
2002	92.59197
2003	91.42035
2004	93.16803
2015	89.01816
2016	84.8513
2017	83.16786
2018	81.81237