Year	% of official school-age population
1999	81.56313
2000	74.9628
2001	73.56444
2002	63.54788
2003	67.93054
2004	59.99882
2006	77.88324
2007	72.03463
2009	81.35255
2010	87.61739
2011	87.29212
2012	84.66207
2013	83.29634
2014	90.6922
2015	91.36573
2016	91.6311
2018	93.61654