Year	% of official school-age population
2001	74.06267
2002	76.9252
2003	77.23246
2004	77.47397
2005	77.96123
2006	78.1084
2007	77.98979
2008	76.11747
2009	75.01117
2010	75.35751
2011	75.62709
2012	77.41368
2013	79.05343
2014	81.0643
2015	82.03091
2016	82.99191
2017	83.69748
2018	84.44477