Year	% of official school-age population
2001	80.59258
2002	80.5753
2003	81.47043
2004	80.14572
2005	80.32519
2006	79.69523
2007	81.14925
2008	80.77449
2009	78.83111
2010	80.06175
2011	79.51118
2012	78.49205
2013	77.63722
2014	80.37104
2015	80.28037
2016	79.94073