Year % of government expenditure on education 1984 37.16995 1991 28.32144 1992 30.50032 1993 29.13929 2008 13.99005 2009 24.09425 2010 24.85822 2011 21.52368 2012 22.97748 2013 25.15072 2014 21.85208 2015 21.85254 2016 22.6965 2017 22.6965 2018 20.92364