Year	% of official school-age population
2002	97.4117
2003	98.82801
2004	98.44791
2005	97.98119
2006	99.23179
2007	99.03681
2008	99.07222
2009	99.05228
2011	98.47051
2012	98.8768
2015	98.20322
2016	91.10007
2017	90.87642