Year	% of official school-age population
1998	40.45447
1999	43.95645
2000	46.58658
2001	47.72294
2002	47.60268
2003	46.43057
2004	49.62797
2005	50.28091
2006	55.87678
2007	53.69455
2009	46.83116
2010	53.05501
2011	43.11946
2012	38.36069
2013	37.97223
2016	38.40809