Year	% of government expenditure on education
1973	30.04458
1974	29.21857
1975	31.89839
1976	27.92545
1977	32.5249
1978	32.76337
1979	33.99872
1980	26.19329
1981	30.28179
1982	27.22328
1984	28.60541
1985	29.79912
1986	29.26067
1987	30.11863
1988	29.45308
1989	26.09478
1994	42.85714
1995	41.09663
1996	40.16114
1997	40.16085
2013	37.87262
2014	38.30192
2015	36.97927
2016	35.61468