Year	% of government expenditure on education
1970	28.75716
1971	25.96124
1972	27.22352
1974	35.73565
1975	37.49159
1977	37.07275
1980	40.67392
1981	40.79597
1982	45.04788
1983	43.60716
1984	45.50045
1987	40.11041
1988	37.5706
1990	41.84016
1992	30.29731
1993	35.08676
1994	34.73089
2006	47.32643
2007	43.48734
2009	22.5991