Year	% of official school-age population
1999	26.46718
2000	28.35486
2001	30.47392
2002	37.63581
2003	40.18665
2004	37.91817
2005	35.50974
2006	42.71214
2007	41.06268
2008	49.57158
2009	55.29642
2010	59.78555
2011	60.97368
2012	58.95012
2013	59.83082
2014	58.00697
2015	60.45761
2016	56.55314
2017	59.64456
2018	50.00351