Year % of government expenditure on education 1970 43.34943 1971 44.91431 1972 42.76253 1973 47.03868 1975 44.89386 1976 49.67777 1977 46.70134 1978 37.50542 1979 37.67388 1980 37.37478 1981 38.09107 1982 32.12525 1983 51.48395 1986 46.4188 1987 44.29033 1988 44.28705 1989 44.38716 1995 43.28312 1996 41.38669 2012 44.1319 2014 42.18472 2015 40.71012