Year % of government expenditure on education 2000 16.1142 2001 17.318 2002 17.02082 2003 18.46549 2004 18.30417 2005 21.05642 2006 21.89651 2008 23.11347 2012 21.15174 2013 21.89587 2015 21.14236 2016 21.60867