Year	% of government expenditure on education
1973	11.59452
1974	9.97524
1975	11.28907
1976	10.39427
1978	12.90576
1979	12.0817
1980	11.68775
1981	11.87967
1982	12.62888
1983	13.20069
1984	14.23351
1985	14.6725
1986	16.50741
1987	17.42505
1988	17.64969
1989	18.36208
1990	18.71233
1991	16.41503
1992	18.23476
1993	16.39556
1994	16.66402
1995	18.42773
1996	18.13371
1999	18.66288
2000	18.12878
2001	18.39482
2002	17.22855
2003	18.03764
2004	16.47826
2005	18.12151
2006	19.0438
2007	22.67835
2008	19.3389
2009	18.5308
2010	20.15411
2011	19.69826
2013	16.98511
2014	17.82687
2015	18.30429