Year	% of official school-age population
1999	72.99946
2000	71.20826
2001	71.76923
2002	73.53525
2003	73.54246
2004	73.63424
2005	74.90522
2006	73.46611
2007	67.96084
2008	55.84847
2009	60.68759
2010	60.55724
2011	62.64916
2012	75.2899
2013	80.78981
2014	84.11499
2015	87.86457
2016	91.09939
2017	96.55155
2018	95.94565
