Year current US$ 1960 250000 1961 330000.013113022 1962 439999.997615814 1963 360000.01430511504 1964 4059999.94277954 1965 1590000.0333786 1966 620000.004768372 1967 939999.997615814 1968 50000.0007450581 1969 39999.9991059303 1970 70000.0002980232 1972 19999.9995529652 1973 259999.990463257 1974 540000.021457672 1975 649999.976158142 1976 670000.016689301 1977 439999.997615814 1978 449999.988079071 1979 519999.980926514 1980 889999.985694885 1981 920000.016689301 1982 1159999.9666214 1983 970000.028610229 1984 759999.990463257 1985 649999.976158142 1986 889999.985694885 1987 750000 1988 1720000.02861023 1989 1490000.0095367401 1990 1169999.95708466 1991 1820000.05245209 1992 1559999.9427795399 1993 839999.973773956 1994 209999.993443489 1995 39999.9991059303 1996 129999.995231628 1997 109999.999403954 1998 90000.0035762787 1999 100000.00149011599 2001 29999.999329447703 2007 170000.00178813902 2008 560000.002384186 2009 639999.985694885 2010 930000.007152557