Year	% of official school-age population
2005	64.43939
2006	64.92183
2007	65.81821
2008	65.8307
2009	65.69045
2010	65.87157
2011	66.77406
2012	66.89536
2013	67.32716
2014	68.20044
2015	69.27181
2016	70.12492
2017	69.87339
2018	69.90675