Year	% of government expenditure on education
1971	19.84246
1972	29.81893
1973	33.13353
1974	29.65204
1975	25.42875
1976	22.95223
1986	29.15079
1987	33.76259
1988	30.68551
1989	15.90522
1990	17.27309
1995	27.08201
1996	17.7438
1999	15.01656
2000	15.64858
2001	15.25315
2010	29.7982
2011	26.63025
2013	28.35581
2014	21.54824
2015	24.20894
2016	23.10647