Year	% of official school-age population
2001	80.35269
2002	80.51417
2003	81.45483
2004	80.22172
2005	80.5948
2006	80.24388
2007	80.81213
2008	79.77623
2009	77.63015
2010	78.76941
2011	77.91853
2012	76.99329
2013	76.09883
2014	78.32585
2015	78.11293
2016	77.72336