Year	% of government expenditure on education
1970	38.62262
1971	37.86052
1972	38.57278
1973	36.58956
1974	38.35066
1975	38.98184
1976	41.03383
1977	42.27688
1978	45.07966
1979	48.48559
1980	43.36687
1981	38.57474
1982	48.11879
1983	43.50598
1984	41.71945
1985	41.02459
1986	36.61399
1987	33.72816
1991	38.73287
1992	33.66071
1993	38.42412
1994	38.11075
1995	40.87166
2000	54.80165
2004	63.86121
2005	59.7587
2015	62.71365
2016	67.44895
2017	67.35112