Year	% of primary school age children
1971	12.94044
1972	13.21261
1973	14.26398
1974	14.91034
1975	15.91601
1976	16.89217
1977	18.87205
1978	20.52613
1979	23.04455
1980	26.81321
1981	33.69399
1982	37.2003
1983	40.65948
1984	43.92074
1985	46.41071
1986	46.88955
1992	39.86916
1993	43.12576
1996	51.79961
1998	54.33503
1999	63.69789
2000	61.5113
2001	62.39271
2002	60.24032
2003	65.28014
2004	66.88223
2005	65.58891
2006	70.3983
2007	72.56583
2008	69.1071
2010	69.21068
2011	69.07389
2012	72.62442
2013	72.35845
2014	72.75243
2015	79.20485
2016	81.30743
2017	83.99385
2018	85.69509