Year	% of official school-age population
2005	71.62595
2006	70.65401
2007	75.15427
2008	73.80388
2009	73.25246
2010	75.57606
2011	74.71651
2012	74.36053
2013	73.53797
2014	72.23248
2015	72.7922
2016	73.41261
2017	75.63826
2018	74.81043