Year	% of primary school age children
2003	61.50283
2004	63.65322
2005	64.81541
2006	66.79615
2007	68.0567
2008	69.2879
2009	70.01266
2010	69.52193
2011	70.65847
2012	71.72031
2013	71.68373
2014	72.53638
2015	72.37402
2016	72.88062
2017	72.73709