Year	% of official school-age population
2007	63.2976
2008	66.92981
2009	66.84154
2010	66.60879
2011	69.16728
2012	69.95215
2013	71.65077
2014	69.18729
2015	68.06641
2016	68.14297
2017	66.43733
2018	68.71735