Year	% of government expenditure on education
1971	15.72187
1972	15.62063
1973	13.14379
1974	12.71704
1975	12.13542
1976	13.22216
1977	12.77063
1979	12.20616
1980	13.77787
1981	21.98276
1982	14.69339
1983	16.52201
1984	17.04429
1986	12.37452
1987	13.06076
1988	12.75729
1989	13.36776
1991	18.32085
1992	20.18605
1994	20.06257
1995	21.52168
1996	26.36125
1997	21.32208
1998	24.11521
2000	20.30363
2001	21.68781
2004	20.61293
2005	21.68546
2006	23.7406
2008	21.176
2009	19.31806
2010	16.50964
2011	14.91674
2012	14.41514
2013	15.55332