Year % of official school-age population 1999 82.80674 2000 75.79622 2001 74.88055 2002 64.17889 2003 68.68499 2004 62.08193 2006 78.79633 2007 73.94919 2009 81.03714 2010 88.679 2011 87.71375 2012 85.89678 2013 84.73402 2014 91.3633 2015 92.98741 2016 92.50723 2018 94.77019