Year	% of government expenditure on education
1970	29.5366
1971	28.78403
1972	26.95643
1973	24.36956
1974	24.33579
1975	23.29126
1976	19.71989
1977	19.75428
1978	19.22727
1979	18.49873
1980	17.77629
1981	15.86493
1982	16.11188
1983	15.14402
1984	17.30624
1985	17.48344
1986	16.96239
1987	17.57817
1988	17.79489
1989	17.98538
1990	18.12517
1991	18.19999
1992	18.55665
1993	18.39869
1995	21.55519
1996	20.9069
1998	19.40117
1999	19.38196
2000	19.6978
2001	19.63966
2002	19.79905
2003	19.72309
2004	18.95076
2005	18.99533
2006	18.56855
2007	18.03007
2008	17.83971
2009	17.42743
2010	17.13281
2011	17.09498
2012	15.49043
2013	16.30241
2014	16.29671
2015	16.56793
2016	16.60016