Year	% of government expenditure on education
1978	24.4591
1980	24.81494
1981	15.99496
1982	18.89562
1986	13.61301
1998	14.63121
1999	14.6309
2008	16.05913
2009	15.82133
2010	20.74022
2011	23.25758
2012	20.34201
2013	19.03471
2014	21.58739
2015	20.77456
2016	21.74443
2017	17.28712