Year	% of government expenditure on education
1970	8.22921
1971	8.27908
1972	8.19559
1973	8.7577
1975	10.69538
1976	11.05216
1977	8.14067
1979	12.02397
1980	11.39619
1981	10.20958
1982	28.60496
1983	11.83113
1984	12.78049
1985	11.54272
1986	10.72564
1987	10.59816
1988	9.74798
1989	10.15708
1990	9.72375
1991	8.27943
1992	8.24123
1993	8.33947
1994	7.90566
1995	8.0163
1998	10.70037
1999	13.53838
2016	20.44728