Year	% of government expenditure on education
1970	21.78645
1971	20.80915
1972	18.848
1973	18.8901
1974	25.57589
1975	25.33129
1976	24.86003
1977	24.60256
1978	24.63316
1979	24.54148
1980	24.54447
1981	24.30634
1982	23.86021
1983	22.79621
1984	22.65422
1985	22.20987
1986	21.09134
1987	21.00663
1988	20.88841
1989	20.51929
1990	20.1633
1991	19.14857
1992	18.99745
1993	20.00531
1994	20.22896
1995	19.66725
1996	19.66152
1999	20.09619