Year % of government expenditure on education 1970 67.53982 1971 66.30573 1972 60.96674 1973 63.09199 1975 52.18084 1976 63.5317 1977 58.78483 1979 55.92366 1980 47.91621 1981 63.21511 1982 34.90451 1983 46.24193 1984 45.90413 1985 44.67247 1986 44.5506 1987 44.03656 1988 52.99326 1989 46.9202 1990 43.64477 1991 43.14039 1992 42.21313 1993 40.74375 1994 44.51693 1995 44.48925 1998 39.58746 1999 41.42457 2016 31.69974