Year	% of primary school age children
1972	76.32854
1976	79.03076
1977	79.06834
1978	78.00978
1979	77.52895
1980	77.49769
1981	77.54903
1982	77.42984
1983	78.98378
1984	80.04986
1986	81.30017
1988	79.22874
1994	72.80447
1995	71.00091
1998	68.28556
1999	66.95896
2000	66.94255
2001	66.77464
2002	69.81638
2004	82.63401
2005	90.96693
2006	89.24665
2007	91.74412
2008	92.16696
2009	88.9414
2010	86.01501
2011	89.55993
2012	90.88259
2013	88.23347
2017	85.10354