Year current US$ 1960 479999.989271164 1961 239999.994635582 1962 6719999.79019165 1963 970000.028610229 1964 -439999.997615814 1965 -1269999.98092651 1966 1009999.99046326 1967 790000.021457672 1968 769999.980926514 1969 680000.007152557 1970 730000.019073486 1971 569999.992847443 1972 479999.989271164 1973 670000.016689301 1974 2400000.09536743 1975 1039999.96185303 1976 9590000.15258789 1977 1830000.04291534 1978 12060000.4196167 1979 9029999.73297119 1980 25440000.5340576 1981 39119998.9318848 1982 28559999.4659424 1983 18590000.1525879 1984 3509999.99046326 1985 2130000.1144409203 1986 18819999.6948242 1987 28530000.6866455 1988 49159999.8474121 1989 52619998.9318848 1990 44200000.762939505 1991 99639999.3896484 1992 17180000.3051758 1993 20170000.0762939 1994 16520000.4577637 1995 19090000.1525879 1996 18959999.084472697 1997 11979999.5422363 1998 17049999.237060502 1999 15300000.1907349 2000 12010000.2288818 2001 83330001.8310547 2002 -12750000 2003 -620000.004768372 2004 -150000.005960464 2005 12880000.1144409 2006 -9369999.88555908 2007 7949999.80926514 2008 27030000.6866455 2009 37779998.779296905 2010 45849998.4741211 2011 45380001.0681152 2012 106760002.13623 2013 311899993.89648396 2014 276500000 2015 277100006.10351604 2016 824179992.675781 2017 879789978.027344 2018 768770019.53125 2019 765119995.117188 2020 890450012.207031 2021 670390014.648438 2022 664849975.585938