Year	% of government expenditure on education
1970	10.4238
1971	11.69416
1972	11.56957
1973	14.70244
1974	15.40633
1975	13.98962
1976	13.28639
1977	13.77363
1978	14.58145
1979	14.49311
1980	14.58082
1981	17.79682
1982	20.7027
1983	20.40818
1984	21.19972
1985	20.98308
1986	22.36654
1987	25.22943
1994	26.17144
1995	23.16301
1996	24.49212
1997	26.7799
1999	26.12133
2000	25.34727
2001	26.45453
2002	28.13009
2004	28.35409
2011	22.24082