Year	% of primary school age children
1973	13.8499
1978	13.71061
1980	15.04514
1981	16.53072
1982	18.5612
1983	23.7192
1984	28.0895
1985	32.32319
1986	35.33768
1987	40.80462
1988	44.49855
1993	45.17336
2000	37.63632
2001	45.46107
2002	44.42929
2003	48.2505
2004	51.51351
2005	55.05031
2006	73.19322
2007	80.84789
2008	91.91476
2009	91.43263
2010	96.55613
2017	97.16765
2018	94.82571