Year	% of primary school age children
1971	29.01775
1972	28.52097
1973	29.96358
1974	30.25753
1975	31.54636
1976	33.62133
1977	39.57107
1978	43.03527
1979	48.43461
1980	54.05259
1981	64.15842
1982	68.72497
1983	72.0803
1984	72.33135
1985	75.41615
1986	74.38189
1992	55.72665
1993	58.91795
1996	64.58786
1998	63.37975
1999	72.19942
2000	67.48362
2001	66.15385
2002	63.97664
2003	65.38135
2004	64.68291
2005	62.18473
2006	66.90734
2007	68.80553
2008	64.21721
2010	66.59542
2011	65.56247
2012	67.9679
2013	67.757
2014	66.93814
2015	72.67655
2016	74.05947
2017	76.38094
2018	77.98925