Year	% of government expenditure on education
1971	18.47117
1972	20.38072
1982	32.00739
1983	36.66842
1984	25.36063
1986	27.39245
1987	27.3806
1988	25.8742
1989	32.47118
1990	36.50361
1991	29.54301
1992	15.6134
2004	10.3624
2005	12.64325
2006	10.49811
2007	10.61487
2008	8.85137
2009	8.62576
2010	9.04275
2011	15.09368
2012	7.76979
2013	10.20724