Year	% of government expenditure on education
1970	50.30458
1971	48.6946
1972	38.55089
1973	37.62204
1974	35.41412
1975	34.21088
1976	31.70916
1979	42.54506
1980	44.08492
1981	44.03719
1982	46.12438
1983	46.62174
1984	46.34571
1985	45.61006
1986	45.47657
1987	44.12536
1988	43.60847
1989	43.6724
1990	43.12599
1991	40.84988
1992	39.54294
1993	35.70176
1994	37.95356
1995	36.41074
1996	36.69684
1999	39.46767
2000	38.78229
2001	40.05171
2002	40.55495
2003	41.03578
2004	41.03367
2005	41.93437
2006	42.19388
2007	42.56925
2008	42.79625
2009	42.51843
2010	42.44763
2011	42.01525
2012	37.95146
2013	37.77987
2014	37.45866
2015	37.46822
2016	36.94765