Year	% of official school-age population
1999	50.34927
2000	60.74936
2001	69.55495
2002	78.58614
2003	80.96726
2004	82.48794
2005	84.95267
2006	84.61345
2007	85.6023
2008	74.34196
2010	72.7547
2011	73.40982
2013	72.66413
2014	73.59024
2016	77.91604
2017	80.40604
2018	81.0674