Year current US$ 1960 14689999.5803833 1961 14880000.1144409 1962 18079999.9237061 1963 21579999.9237061 1964 23329999.9237061 1965 31540000.915527303 1966 38580001.8310547 1967 25120000.8392334 1968 6199999.80926514 1969 4760000.228881841 1970 16860000.6103516 1971 31850000.3814697 1972 51099998.4741211 1973 63599998.4741211 1974 181690002.44140598 1975 251380004.882813 1976 480760009.765625 1977 446859985.35156304 1978 396920013.42773396 1979 360850006.10351604 1980 574320007.324219 1981 509779998.779297 1982 613349975.585938 1983 436609985.35156304 1984 560099975.585938 1985 431149993.89648396 1986 345820007.324219 1987 488700012.207031 1988 305350006.10351604 1989 374279998.779297 1990 449829986.57226604 1991 296350006.10351604 1992 253770004.272461 1993 313739990.234375 1994 171699996.94824198 1995 171789993.28613302 1996 252270004.272461 1997 355399993.89648396 1998 394239990.234375 1999 460829986.57226604 2000 312799987.792969 2001 371829986.57226604 2002 216500000 2003 244059997.55859402 2004 266510009.765625 2005 296000000 2006 287809997.558594 2007 154970001.220703 2008 330040008.544922 2009 353290008.544922 2010 667080017.089844 2011 477549987.792969 2012 711820007.324219 2013 1039630004.88281 2014 1163439941.40625 2015 1778410034.17969 2016 2301110107.42188 2017 3234010009.76563 2018 7985350097.65625 2019 3758929931.64063 2020 2548280029.29688 2021 3889739990.23438 2022 3636909912.10938