Year current US$ 1960 545098447.6408623 1961 604178636.2533365 1962 633754141.1170908 1963 598838736.5919536 1964 411844015.1860289 1965 367533507.20214254 1966 293142572.6790106 1967 420461671.7948718 1968 560405713.6496011 1969 572430991.491512 1970 563912705.8893708 1971 587223250.7087569 1972 661168006.9432784 1973 718527993.4877998 1974 1223752969.1211402 1975 1059999997.740113 1976 1200723613.388139 1977 870074063.0907464 1978 932305177.3115724 1979 945914536.6832438 1980 1029679084.9701781 1981 1101296501.9765399 1982 1467515233.8507197 1983 1364830702.9779134 1984 1288781930.8740268 1985 1464801440.0767486 1986 1561100217.3654613 1987 1550561865.7092826 1988 1531606434.5640986 1989 2005339191.0893722 1990 2096609305.8573518 1991 2051262988.365651 1992 2404983615.455331 1993 3159260043.1331086 1994 4428520933.3483715 1995 5284431185.085805 1996 6122357106.50092 1997 4721977869.015755 1998 6459896236.579204 1999 8486202623.559339 2000 8900771454.196547 2001 6470336956.190369 2002 6773035817.653915 2003 10460883983.33155 2004 10560047473.388483 2005 11980698123.598612 2006 14496613206.781609 2007 20175974339.854294 2008 31851216910.10495 2009 36895845255.54567 2010 49528704371.10557 2011 59964576988.50873 2012 57556421307.722855 2013 58364906162.48475 2014 62535394200.168526 2015 57499580407.63029 2016 61653951995.8482 2017 63958040482.75083 2018 65984255989.63955 2019 72641276228.20975 2020 77509313176.58067 2021 65277447226.44779 2022 61363349891.81108 2023 63663583535.52857