Year	% of government expenditure on education
1970	13.11037
1971	16.76708
1972	17.57396
1973	17.27908
1974	15.31143
1975	15.13059
1976	16.13808
1977	19.67544
1978	15.98357
1979	16.701
1980	16.49181
1990	18.79169
1991	14.40011
1992	15.89511
1993	18.13206
1994	17.69536
1995	18.15598
1996	20.17427
1998	14.36013
2001	15.8498
2002	15.19467
2003	19.69626
2004	21.27294
2005	16.85969
2006	17.28856
2007	16.43187
2008	19.40024
2009	20.69422
2010	14.80771
2011	16.97615
2012	17.8056
2013	15.91611