Year	% of government expenditure on education
1972	4.96316
1973	7.61932
1974	7.44392
1975	8.79846
1976	11.69268
1982	0.71853
1986	5.00262
1994	9.44399
1999	11.11348
2009	6.3012
2010	4.5958
2011	5.0111
2018	0