Year % of official school-age population 2000 72.84686 2001 69.53924 2002 68.3237 2003 62.80905 2004 60.2098 2005 61.92411 2006 63.53803 2007 64.29293 2008 73.95743 2009 75.39444 2010 77.10537 2011 77.21533 2012 84.98675