Year	% of primary school age children
1971	85.53299
1972	86.89114
1973	88.47069
1976	98.15505
1981	95.30617
1982	93.19261
1983	93.36505
1989	99.7782
1990	96.64845
1992	89.22107
2000	95.57721
2001	94.48545
2002	91.80328
2003	91.37727
2004	89.8235
2005	90.23835
2006	91.87339
2007	95.62326
2008	99.07809
2009	97.94719
2010	95.71802
2011	93.92116
2014	94.08999
2015	96.28692
2016	98.55599
2017	95.78701
2018	97.52594