Year	% of official school-age population
2001	80.59728
2002	80.52582
2003	81.0993
2004	79.58018
2005	79.55665
2006	78.94999
2007	80.82803
2008	80.70847
2009	78.82971
2010	79.4968
2011	79.36184
2012	78.82605
2013	78.5143
2014	81.08698
2015	81.40097
2016	80.87404