Year	% of government expenditure on education
1973	26.99332
1974	26.19879
1975	25.02254
1976	28.83146
1977	24.87298
1978	24.07814
1979	24.52916
1980	30.6598
1981	28.57231
1982	28.02036
1984	27.21676
1985	27.69819
1986	29.32621
1987	29.03862
1988	30.94708
1989	32.80784
1994	26.76476
1995	28.03113
1996	27.25442
1997	27.2554
2013	25.25779
2014	24.94879
2015	25.56619
2016	23.73553