Year	% of official school-age population
1998	74.93538
2001	62.40007
2007	83.3859
2008	83.11143
2009	83.49021
2010	85.1022
2011	86.94809
2012	69.51366
2013	84.56891
2014	81.84941
2015	78.9726
2016	77.94305
2017	82.2933