Year	% of government expenditure on education
1970	37.94416
1971	45.72206
1972	41.01487
1973	43.62464
1974	42.85133
1975	38.64591
1976	39.81795
1977	41.18099
1978	45.57086
1979	47.02164
1980	45.51578
1981	39.4821
1982	34.83168
1983	36.57956
1984	40.29018
1985	39.05199
1986	42.50169
1987	37.92627
1994	31.38087
1995	30.38158
1996	29.69861
1997	31.59261
1999	38.41875
2000	37.61984
2001	33.40638
2002	32.0895
2004	34.51866
2011	23.47102