Year current US$ 1960 4017966571.213263 1961 4602122373.134329 1962 4956175455.079748 1963 4849450222.222222 1964 6026095055.555555 1965 5621047619.047619 1966 5665481481.481482 1967 5774435260.948389 1968 6022084865.299509 1969 6480484017.157669 1970 7290801444.356492 1971 8137137353.072497 1972 8631755134.519611 1973 10082599048.859438 1974 12504901829.120895 1975 12862113006.224236 1976 14857962242.398039 1977 18756981797.020737 1978 22605755211.6639 1979 27445491359.231747 1980 33193325479.13102 1981 37686312149.93063 1982 40635132899.95599 1983 39806816092.31842 1984 38474669576.21445 1985 34446915726.17163 1986 32551075667.350285 1987 34906084621.73551 1988 38259868109.88815 1989 37885918978.31149 1990 46433872894.516785 1991 47325280533.841446 1992 58729908916.25458 1993 70335236761.42192 1994 86543127979.28714 1995 98443225124.46667 1996 102637876372.54643 1997 112964136558.35245 1998 104291362584.57686 1999 85809695261.5431 2000 100710835609.10521 2001 101271218390.02261 2002 101228466581.23486 2003 97830325184.5417 2004 119811213689.58452 2005 150668316223.5277 2006 168562668275.92444 2007 214958438966.90048 2008 249654286277.67776 2009 237832033957.17493 2010 291033558495.9959 2011 338039159037.51965 2012 375186664458.9465 2013 389023995462.55945 2014 397321479882.365 2015 314213932629.6691 2016 301855655256.27155 2017 327436315708.6012 2018 350023551242.17664 2019 341840082033.5261 2020 289302518499.4353 2021 342939974726.27966 2022 371606636807.83624 2023 381585374963.8477