Year	% of primary school age children
1971	86.44477
1972	88.06389
1973	88.73368
1976	98.82915
1977	98.32617
1978	98.22735
1979	98.87614
1981	94.60567
1982	94.4972
1983	96.31603
1989	99.69313
1990	97.58751
1992	89.72294
1999	97.18269
2000	95.55437
2001	94.6152
2002	91.93415
2003	91.68133
2004	90.48611
2005	90.27004
2006	92.07418
2007	94.77144
2008	98.75138
2009	97.23732
2010	94.97605
2011	93.48965
2014	93.48471
2015	95.84843
2016	98.03848
2017	96.55139
2018	98.38821