Year	% of official school-age population
2005	72.63597
2006	70.77707
2007	75.94401
2008	75.94811
2009	74.42661
2010	76.85142
2011	76.01779
2012	75.8894
2013	74.4974
2014	73.82363
2015	74.61409
2016	75.0926
2017	76.04829
2018	76.38291