Year	% of government expenditure on education
1975	31.97987
1981	27.0281
1982	28.14096
1984	29.43832
1990	32.41975
1991	28.98556
1992	29.99142
1993	29.78379
1994	32.20348
1995	32.77738
1996	32.91093
2010	39.51719
2011	35.76131
2017	34.72677