Year	% of primary school age children
2003	69.16621
2004	71.45006
2005	74.07547
2006	76.54112
2007	78.27918
2008	80.91044
2009	81.46124
2010	81.02725
2011	82.21089
2012	83.05247
2013	83.33948
2014	83.72889
2015	83.37772
2016	83.66311
2017	83.30582
2018	82.96232