Year	% of government expenditure on education
1975	54.80683
1981	49.67143
1982	31.0846
1984	29.6295
1990	32.52659
1991	30.88836
1992	31.12373
1993	30.85884
1994	32.0867
1995	31.50663
1996	31.02503
2010	31.69543
2011	33.32141
2017	34.43817