Year	% of primary school age children
1978	30.65911
1979	33.90792
1998	57.60078
1999	58.11055
2000	60.4271
2001	62.76982
2005	70.11571
2006	73.8074
2008	79.22421
2009	83.84423
2010	85.93596
2011	87.44317
2012	90.15238
2013	89.7579
2015	88.89096
2016	88.77117
2017	89.10776
2018	89.35873