Year	% of government expenditure on education
1970	26.46407
1971	26.5168
1972	26.63956
1973	24.88682
1974	27.35169
1975	23.89325
1976	20.14102
1977	20.8575
1978	21.96875
1979	25.51875
1980	21.68519
1981	21.26792
1982	24.16244
1983	24.18813
1984	25.34828
1985	25.79518
1986	26.53558
1987	26.33298
1994	21.97609
1995	21.09187
1996	20.05073
1997	22.25568
1999	31.37637
2000	33.89391
2001	26.39545
2002	29.22263
2004	25.94862
2011	22.42744