Year	% of official school-age population
2001	73.24939
2002	75.77909
2003	75.99402
2004	76.21038
2005	76.594
2006	76.73409
2007	76.62145
2008	75.00006
2009	74.02364
2010	75.68538
2011	76.05865
2012	77.77206
2013	79.26676
2014	80.90565
2015	81.72102
2016	82.34226
2017	82.53979
2018	83.21628