Year	% of official school-age population
1999	73.9634
2000	72.2353
2001	72.61064
2002	73.86886
2003	73.84233
2004	73.97826
2005	75.4523
2006	73.9688
2007	68.38394
2008	56.36975
2009	59.91801
2010	60.16946
2011	62.41489
2012	74.48156
2013	79.35824
2014	83.51875
2015	88.14991
2016	91.09415
2017	96.5043
2018	95.63994
