Year	% of government expenditure on education
1972	25.75688
1973	33.43167
1974	36.56267
1975	31.97103
1976	31.28342
1977	18.96081
1979	27.94834
1980	23.40744
1981	23.42356
1982	17.54082
1983	25.77307
1984	23.29172
1985	26.3704
1993	34.34856
1997	33.43317
1998	32.01082
2005	18.9232
2006	18.06897
2007	15.93341
2008	22.07921
2009	18.20152
2011	22.31238
2012	19.34486