Year % of government expenditure on education 1972 12.84064 1973 12.52776 1974 12.96296 1975 14.33214 1976 13.65817 1977 15.24473 1978 12.01247 1980 13.81203 1981 13.86706 1982 13.77118 1983 13.77368 1984 14.02596 1985 14.08417 1986 15.09756 1987 14.99714 1988 15.85419 1989 15.80763 1990 16.74169 1991 24.86992 1992 26.20186 1993 26.2023 1994 26.03689 1995 27.45683 1996 26.96226 1997 26.50287 1998 26.07482 1999 27.10323 2000 25.40111 2001 26.42908 2002 27.50263 2003 30.39058 2004 32.09416 2005 32.36272 2006 31.54551 2007 31.94706 2008 31.98681 2009 30.43174 2010 29.62594 2011 29.89166 2013 26.61598 2014 28.57301 2015 25.905 2016 26.72475