Year	% of official school-age population
2001	73.83577
2002	73.79859
2003	76.93349
2004	74.02996
2005	75.05992
2006	73.99169
2007	75.41041
2008	75.88582
2009	72.30106
2010	76.20719
2011	74.27166
2012	72.37339
2013	70.44931
2014	72.87589
2015	71.2954
2016	71.31442