Year	% of primary school age children
1998	70.28387
1999	72.19401
2000	73.55228
2001	75.17481
2002	76.51463
2003	77.32907
2004	77.94774
2005	79.10946
2006	79.58348
2007	80.44079
2008	82.21837
2009	82.24648
2010	83.55279
2011	83.44254
2012	84.11878
2013	83.21839
2014	83.34494
2015	83.18996
2016	83.82028
2017	83.99478
2018	84.25278