Year	% of primary school age children
1975	30.47711
1976	33.41204
1977	35.63422
1978	38.23697
1979	40.36682
1980	42.68273
1981	45.23527
1982	46.07397
1983	48.46205
1984	50.58358
1985	49.72355
1986	48.40702
1987	46.99889
1988	45.92193
1989	44.54752
1990	45.7915
1991	45.73745
1992	46.64296
1993	48.87817
1994	51.81853
1995	54.90639
1996	57.56251
1997	59.51682
1998	60.48058
1999	66.56518
2000	72.24134
2001	77.18017
2002	81.95041
2003	83.68492
2004	84.14041
2005	85.17746
2006	86.3512
2007	87.97167
2008	88.85931
2009	89.02239
2010	92.14432
2011	93.38813
2012	92.82141
2013	94.29996
2014	93.67329
2017	97.02559