Year	% of government expenditure on education
1971	15.08809
1972	13.71566
1973	14.85664
1974	11.68364
1975	14.13138
1976	11.19491
1977	13.02104
1980	17.834
1981	15.67243
1982	14.97724
1983	15.87608
1984	14.47537
1985	13.93536
1986	14.24612
1988	16.09102
1989	16.3352
1991	28.57054
1992	20.03523
1993	21.26883
1994	17.0357
1999	11.45801
2000	11.71209
2001	13.08694
2003	12.1481
2004	12.90978
2006	15.41745
2011	12.77934
2012	17.60868
2013	14.21517
2014	13.70252
2015	13.07397