Year % of official school-age population 1999 73.9634 2000 72.2353 2001 72.61064 2002 73.86886 2003 73.84233 2004 73.97826 2005 75.4523 2006 73.9688 2007 68.38394 2008 56.36975 2009 59.91801 2010 60.16946 2011 62.41489 2012 74.48156 2013 79.35824 2014 83.51875 2015 88.14991 2016 91.09415 2017 96.5043 2018 95.63994