Year	% of government expenditure on education
1970	18.36914
1971	18.24548
1972	17.3819
1973	16.99268
1974	15.01425
1975	14.3418
1976	14.10462
1977	13.87871
1978	13.89264
1979	13.81777
1980	13.44494
1981	13.75122
1982	13.54187
1983	13.35365
1984	13.62549
1985	14.09092
1986	14.332
1987	14.20306
1988	14.37796
1989	14.84783
1990	15.28171
1991	15.1721
1992	15.84919
1993	16.96847
1994	16.76909
1995	17.65063
1996	18.14906
1999	17.58146