Year	% of government expenditure on education
1974	19.1723
1975	19.705015
1976	16.534475
1978	19.10145
1979	19.44842
1980	19.86338
1981	20.600425
1982	21.69845
1983	19.785185
1984	20.61349
1985	19.505724999999998
1986	19.94489
1987	20.02712
1988	20.16751
1989	19.188375
1990	20.34452
1991	20.68082
1992	19.343455
1993	20.37941
1994	20.04464
1995	20.20557
1996	20.45308
1998	20.34507
1999	20.02924
2000	21.01969
2001	21.09976
2002	21.15071
2003	20.72279
2004	21.36875
2005	21.76088
2006	21.98008
2007	22.590159999999997
2008	21.787465
2009	22.09115
2010	22.30329
2011	23.381685
2012	22.84717
2013	23.81287
2014	23.54937
2015	24.129375000000003
2016	22.84284