Year current US$ 1963 -19999.9995529652 1966 9999.99977648258 1967 9999.99977648258 1969 39999.9991059303 1970 59999.9986588955 1971 100000.00149011599 1972 200000.00298023198 1973 300000.011920929 1974 509999.99046325695 1975 769999.980926514 1976 1259999.9904632599 1977 839999.973773956 1978 140000.000596046 1979 170000.00178813902 1980 540000.021457672 1981 850000.023841858 1982 860000.014305115 1983 1049999.95231628 1984 1330000.04291534 1985 1860000.01430511 1986 2349999.90463257 1987 2829999.92370605 1988 1830000.04291534 1989 4989999.771118159 1990 2970000.02861023 1991 2880000.1144409203 1992 2920000.07629395 1993 3769999.98092651 1994 3220000.02861023 1995 3740000.00953674