Year	% of official school-age population
1998	53.9877
1999	54.03624
2000	54.90833
2001	55.55469
2002	58.12029
2003	58.74946
2004	59.10833
2005	60.4126
2006	62.2002
2007	64.13563
2008	65.8787
2009	65.71392
2010	65.74266
2011	68.48847
2012	68.40073
2013	68.36663
2014	68.50097