Year	% of official school-age population
2001	75.38792
2002	78.16557
2003	78.43462
2004	78.70303
2005	79.2152
2006	79.21627
2007	79.08325
2008	77.63752
2009	76.9344
2010	77.25751
2011	77.56442
2012	78.98049
2013	80.29144
2014	81.94275
2015	82.82319
2016	83.73901
2017	84.37371
2018	84.96212