Year current US$ 1960 545098447.6408623 1961 605581577.2870662 1962 634528872.0203601 1963 598998418.7245831 1964 411419905.84662116 1965 367053117.2245234 1966 293103478.5484835 1967 420359035.89743596 1968 559956130.2836221 1969 571854214.589142 1970 563555630.7695452 1971 587448405.4887729 1972 662213082.7415351 1973 719754655.3589644 1974 1225589878.0680919 1975 1061107353.6723164 1976 1204699849.1259172 1977 873579931.9299011 1978 935408774.9519185 1979 952265043.4383826 1980 1038225167.0588236 1981 1111000765.2898695 1982 1481165467.8321373 1983 1381573615.2512999 1984 1304063253.0413625 1985 1478908173.2679565 1986 1582873750.3206818 1987 1562448076.6568878 1988 1541088312.254534 1989 2013448228.729754 1990 2115193513.2955616 1991 2069832686.9806094 1992 2411552288.76212 1993 3163020034.6363716 1994 4432257173.649197 1995 5289174942.534038 1996 6123556716.81329 1997 4722288495.660847 1998 6459461639.302425 1999 8486832800.884982 2000 8905066163.586428 2001 6477790688.228438 2002 6777632512.078098 2003 10467109977.671677 2004 10567354056.404905 2005 11986972418.5103 2006 14502553709.830305 2007 20182477480.551235 2008 31862554101.937805 2009 36906181380.81268 2010 49540813342.4834 2011 59977326085.99077 2012 59937796648.21576 2013 60269732854.82703 2014 65531374199.66632 2015 59607290407.61913 2016 63298361996.2153 2017 66053040483.001625 2018 67860515989.517044 2019 75065106227.6892 2020 79006113643.19055 2021 66345291160.16825 2022 62253049891.64494 2023 64815031669.095245