Year	% of primary school age children
1970	75.33835
1973	79.31982
1980	83.43804
1981	88.26209
1982	89.06594
1985	94.67306
1988	90.5601
1993	90.02087
1995	84.90604
1996	84.5073
1997	84.03117
1998	96.9401
1999	98.33462
2000	99.14459
2001	99.44727
2002	99.52684
2003	98.03598
2004	99.25454
2005	99.26109
2006	99.21478
2007	99.25682
2008	99.26272
2009	98.68156
2010	99.32155
2011	99.18032
2012	93.94488
2013	96.36661
2014	95.03941
2015	96.4863
2016	99.56785
2017	98.88371
2018	98.50107