Year	% of primary school age children
1984	24.83169
1985	27.59924
1986	25.54254
1987	23.66751
1988	24.57839
1989	24.47122
1990	23.80892
1991	25.84697
1998	40.86318
1999	43.00455
2000	45.75882
2001	48.92625
2002	55.94373
2003	59.10019
2004	61.84531
2005	63.59582
2006	65.57848
2007	67.55235
2008	66.59745
2009	67.9527
2010	70.28759
2011	74.37522
2012	74.17666
2013	75.47206
2014	79.30492
2016	78.08732