Year	% of government expenditure on education
1971	23.1662
1972	23.15321
1973	20.70643
1974	21.70012
1975	21.22158
1976	21.64583
1977	20.94077
1979	26.62861
1980	25.05182
1981	19.35702
1982	29.88317
1983	24.0132
1984	23.89136
1986	24.10652
1987	23.59825
1988	24.11754
1989	24.63525
1991	22.48902
1992	24.01842
1994	24.64298
1995	24.81096
1996	26.4401
1997	22.06466
1998	27.07097
2000	21.88651
2001	20.5315
2004	23.98801
2008	14.26054
2009	15.5976
2010	28.61176
2011	21.45284
2012	28.62811
2013	29.81499