Year	% of official school-age population
2001	81.64398
2002	81.63111
2003	82.30036
2004	80.78087
2005	80.75956
2006	80.02958
2007	82.13319
2008	82.01016
2009	80.06387
2010	80.09069
2011	79.84961
2012	78.97483
2013	78.37459
2014	81.04384
2015	81.40225
2016	81.07274
