Year	% of official school-age population
1999	49.65238
2000	53.78154
2001	53.61998
2002	56.65526
2003	57.25369
2004	59.48069
2005	60.75521
2006	64.43911
2007	71.61052
2008	72.82756
2009	78.46642
2010	85.58413
2011	85.50634
2012	88.7759
2013	93.33524
2014	92.25669
2015	90.02973
2016	88.82887
2017	90.17176
2018	89.22253