Year	% of primary school age children
1978	36.61892
1979	39.61145
1980	40.93641
1981	42.61276
1982	44.76404
1983	47.07933
1984	47.92365
1985	48.52876
1986	54.15046
1988	54.20197
1990	51.35767
1992	50.34326
1996	54.92291
1997	59.03978
1998	61.16169
1999	60.32928
2000	62.54368
2003	68.45854
2004	64.79361
2005	65.44789
2006	67.81617
2007	69.77419
2008	70.01903
2009	69.41064
2010	70.01504
2011	70.40713
2012	72.98304
2013	71.85589
2014	72.40984
2015	72.01499
2016	69.89549
2017	72.26251