Year	% of primary school age children
1971	86.41855
1972	86.75976
1973	87.45417
1974	87.16819
1976	86.8279
1977	91.75949
1978	95.99522
1979	98.36329
1981	96.72356
1983	96.28108
1984	94.90548
1985	91.24112
1986	89.8595
1987	89.72478
1988	88.22591
1989	87.95021
1990	86.89754
1991	81.67219
1992	79.05634
1993	76.84185
1994	81.21777
2000	94.38698
2006	90.10303
2014	92.22064
2015	95.67039
2016	97.45398
2017	97.97295
2018	96.99887