Year	% of primary school age children
2003	68.87829
2004	71.08247
2005	73.53245
2006	75.69063
2007	77.15327
2008	79.42805
2009	79.82287
2010	79.4341
2011	80.28223
2012	80.66871
2013	81.32539
2014	81.80416
2015	81.41431
2016	81.43591
2017	81.33676
2018	81.11042