Year	% of government expenditure on education
1971	14.07678
1972	16.35636
1973	15.14821
1974	15.38101
1976	18.26555
1977	19.53941
1978	19.95449
1979	19.92141
1980	19.60439
1981	19.52195
1982	18.79571
1983	17.96747
1984	16.65529
1985	17.65696
1986	18.46084
1987	19.60337
1988	19.43352
1989	19.58516
1990	21.6171
1991	21.37942
1992	22.30532
1993	22.46696
1994	22.9682
1995	23.27463
1996	24.73357
1998	25.47865
1999	27.14333
2000	30.27471
2001	28.56122
2002	27.63626
2003	24.85275
2004	23.46116
2005	23.30093
2006	23.94685
2007	23.35125
2008	23.25964
2009	23.7471
2010	22.2214
2011	21.7278
2012	21.39313
2013	21.51171
2014	20.84728
2015	23.3454
2016	19.58165