Year	% of official school-age population
1999	31.56524
2000	33.54315
2001	36.06182
2002	44.1393
2003	46.76279
2004	44.30963
2005	40.8392
2006	48.65674
2007	46.11688
2008	54.01438
2009	60.8957
2010	64.21172
2011	65.75147
2012	62.99428
2013	64.78495
2014	63.34213
2015	65.53145
2016	61.36843
2017	64.07727
2018	53.02249