Year	% of official school-age population
2001	74.29954
2002	76.78447
2003	76.96505
2004	77.22005
2005	77.62826
2006	77.63584
2007	77.52427
2008	76.28627
2009	75.66033
2010	77.29052
2011	77.71072
2012	79.11187
2013	80.35315
2014	81.71948
2015	82.45886
2016	83.03678
2017	83.14322
2018	83.57958