Year	% of government expenditure on education
1971	33.57595
1972	31.06926
1973	28.13012
1974	25.41998
1975	23.60559
1976	20.90029
1977	22.09854
1980	16.83096
1981	17.02737
1982	17.35244
1983	18.35644
1984	15.47348
1985	18.24843
1986	18.65023
1988	18.08941
1989	20.49162
1992	20.31562
1993	19.92926
1994	21.5967
2000	17.36166
2001	19.4018
2003	20.85074
2004	23.40954
2006	21.67777
2011	42.55324
2012	41.76315
2013	43.0705
2014	43.12418
2015	41.76367