Year	% of government expenditure on education
1971	28.08761
1972	34.557
1973	31.52232
1974	31.45144
1975	31.04327
1976	30.83547
1977	30.43984
1978	24.95157
1979	33.6715
1980	38.62661
1981	34.0006
1982	32.4993
1983	32.33818
1984	33.81281
1985	32.1205
1986	30.96876
1987	31.66449
1989	42.86878
1990	43.6587
1991	42.43514
1992	44.26639
1993	44.76807
1994	46.84936
1995	48.21368
1996	47.27418
1997	52.00069
2013	32.6824
2014	35.13516
2015	31.0512