Year	% of government expenditure on education
1970	5.47028
1971	7.76357
1972	9.68746
1973	2.76511
1974	3.66832
1975	7.72218
1976	6.37505
1978	9.24283
1979	11.52899
1980	15.26308
1981	17.30924
1982	12.93189
1987	10.29651
1988	10.46441
1989	1.95287
1990	10.23052
1991	2.12122
1992	1.67929
1993	1.16546
2010	24.37979
2014	31.92166
2016	18.8945