Year	% of government expenditure on education
1971	31.36184
1972	31.36655
1973	31.12949
1974	30.71697
1975	31.43102
1976	31.438
1977	29.61135
1978	29.07323
1979	30.57821
1980	29.79349
1981	29.90282
1982	29.37821
1983	30.06431
1984	30.931
1985	30.52069
1986	31.02303
1987	30.89166
1988	30.8411
1989	31.69809
1990	31.81251
1991	28.13155
1992	30.75022
1993	27.7808
1994	34.57579
1995	35.26796
1998	31.00068
2007	36.81221
2008	34.44431
2009	36.06861
2010	35.38945
2011	35.5994