Year % of government expenditure on education 1970 39.76033 1971 37.86893 1972 39.11111 1973 36.00755 1975 39.31613 1976 36.5919 1977 38.59964 1978 57.28126 1979 57.55373 1980 58.07812 1981 56.40874 1982 63.48637 1983 40.99867 1986 36.40378 1987 37.41824 1988 37.03171 1989 36.20937 1995 52.35302 1996 54.17464 2012 34.10333 2014 30.8396 2015 31.59853