Year % of government expenditure on education 1975 7.28819 1998 23.49308 2000 20.76394 2002 25.79439 2003 26.27874 2005 29.08814 2006 23.03018 2007 26.96924 2008 22.04623 2009 28.74746 2010 30.09465 2012 30.71499 2013 30.74863 2014 30.79958 2015 31.77691 2016 35.26749 2017 34.89118 2018 34.02135