Year	% of official school-age population
1999	67.69856
2000	68.17988
2001	69.18415
2002	72.1406
2003	72.37557
2004	72.54458
2005	72.67799
2006	72.47172
2007	72.89987
2008	72.55101
2009	72.6592
2010	74.47768
2011	75.15056
2012	75.66856
2013	75.92757