Year current US$ 1960 239999.994635582 1961 939999.997615814 1962 1350000.02384186 1963 639999.985694885 1964 579999.983310699 1965 879999.995231628 1966 879999.995231628 1967 50000.0007450581 1968 199999.9992549415 1969 119999.997317791 1970 280000.001192093 1971 280000.001192093 1972 550000.011920929 1973 519999.99023973953 1974 660000.013187528 1975 770000.0088661908 1976 699999.9787658454 1977 869999.9954551455 1978 890000.0043213372 1979 820000.0096112489 1980 429999.9922513967 1981 1239999.9722838402 1982 770000.0125914809 1983 480000.00417232467 1984 620000.0047683709 1985 749999.9795109036 1986 1480000.007897615 1987 1059999.978169799 1988 1069999.9891221523 1989 3240000.063553457 1990 1859999.9602884047 1991 1120000.0029057267 1992 1519999.9585747723 1993 9140000.198036432 1994 1710000.0251084568 1995 1830000.0261515335 1996 1720000.0025331988 1997 1599999.997764821 1998 1119999.9824166293 1999 1660000.0038743012 2000 1640000.0136345606 2001 1199999.993667006 2002 1129999.9635666609 2003 1149999.9780207875 2004 1499999.9739229656