Year	% of government expenditure on education
1970	34.52007
1971	36.70631
1972	34.84766
1973	34.28206
1974	33.31763
1975	36.96917
1976	37.16795
1977	35.50563
1978	35.69887
1979	36.1168
1980	35.83363
1981	36.3868
1982	37.81743
1983	38.30635
1984	38.32964
1985	35.60884
1986	34.07015
1987	34.88865
1988	33.5687
1990	38.5925
1991	37.48774
1993	39.39297
1994	39.58294
1995	39.7498
1996	39.98002
1998	39.0926
2015	40.90696
2016	40.48964