Year % of government expenditure on education 1973 26.97823 1974 23.04833 1975 22.10393 1976 25.67568 1977 20.84332 1978 24.03896 1979 21.73007 1980 26.17066 1981 24.46224 1982 23.52427 1983 24.49715 1984 21.62841 1985 19.87724 1986 20.08052 1987 18.12991 1988 17.60797 1989 17.73543 1990 17.29696 1991 16.65671 1992 17.33179 1993 16.23331 1994 17.32585 1998 18.17252 1999 18.35522 2000 18.30188 2001 17.85959 2002 16.71338 2003 18.46707 2004 16.46765 2005 16.56578 2006 16.47318 2007 17.5694 2008 15.99683 2009 17.31584 2010 16.88245 2011 16.22442 2012 16.17742 2013 15.80843 2014 15.06281 2015 16.23448 2016 15.15743