Year current US$ 1960 -39999.9991059303 1963 19999.9995529652 1964 59999.9986588955 1965 70000.0002980232 1966 50000.0007450581 1967 689999.997615814 1968 50000.0007450581 1969 70000.0002980232 1970 79999.9982118607 1971 250000 1972 1220000.02861023 1973 479999.989271164 1974 519999.980926514 1975 660000.026226044 1976 589999.973773956 1977 469999.998807907 1978 779999.971389771 1979 889999.985694885 1980 1419999.95708466 1981 1389999.98569489 1982 1320000.05245209 1983 889999.985694885 1984 10039999.961853001 1985 699999.988079071 1986 1639999.98569489 1987 639999.985694885 1988 1419999.95708466 1989 3920000.07629395 1990 3150000.09536743 1991 2759999.99046326 1992 2829999.92370605 1993 1159999.9666214 1994 1000000 1995 4389999.8664856 1996 1450000.04768372 1997 3460000.03814697 1998 22600000.3814697 1999 11470000.2670288 2000 5469999.79019165 2001 7440000.05722046 2002 4710000.03814697 2003 3880000.1144409203 2004 4480000.01907349