Year	% of official school-age population
1998	44.35291
1999	44.44146
2000	44.91659
2001	45.68045
2002	46.7509
2003	48.45768
2004	49.3612
2005	50.10037
2006	51.67281
2007	52.25417
2008	54.25134
2009	55.53983
2010	56.74827
2011	58.36366
2012	59.01928
2013	60.05072
2014	60.4713
2015	60.75351
2016	61.98958