Year	% of official school-age population
2006	77.09053
2007	77.55729
2008	77.59941
2009	77.68581
2010	78.32733
2011	78.64887
2012	78.29398
2013	77.38939
2014	76.92055
2015	77.03605
2016	76.89671
2017	77.12561
2018	76.85029