Year	% of government expenditure on education
1971	49.82853
1972	53.41501
1973	54.44547
1974	53.0713
1975	54.05823
1976	57.2108
1977	57.8716
1979	55.34611
1980	55.83375
1981	55.72885
1982	53.58987
1983	57.01065
1984	58.51985
1986	58.39584
1987	58.56356
1988	58.17268
1989	57.04326
1991	51.52028
1992	49.54357
1994	47.3683
1995	45.45283
1996	44.48079
1997	30.42964
1998	26.50846
2000	32.22869
2001	32.07042
2004	30.96506
2008	45.13959
2009	46.13831
2010	40.08495
2011	50.4469
2012	44.78126
2013	41.106