Year	% of government expenditure on education
1971	27.00304
1972	25.76102
1974	19.78773
1975	19.94042
1976	16.03185
1977	15.2477
1979	2.2725
1981	1.82328
1982	2.16217
1986	2.09448
1987	15.2789
1988	11.72626
2001	14.19508
2004	19.5374
2005	22.0727
2006	20.30182
2007	26.01762
2008	25.8532
2009	23.87346
2010	25.9484
2011	13.12625
2012	18.5205
2013	19.4198
2014	18.26524