Year	% of official school-age population
2002	97.14884
2003	98.45605
2004	98.06927
2005	98.11708
2006	99.06391
2007	98.97487
2008	98.44566
2009	98.45205
2011	98.03817
2012	97.92084
2015	97.7291
2016	90.38292
2017	89.84309