Year current US$ 1960 190937434.7573119 1961 198226226.78351492 1962 201768720.8222363 1963 219789230.3114089 1964 239474908.2207956 1965 260953617.76430672 1966 279732804.5521553 1967 278874463.88517433 1968 288382052.1677457 1969 291279032.18124145 1970 293438584.96077776 1971 300607308.8019142 1972 364819948.8860005 1973 440066010.2917601 1974 489943603.8357179 1975 611426460.0964291 1976 648069340.2542202 1977 694115366.5667117 1978 869772642.2881285 1979 1096768385.7313552 1980 1373021175.1913242 1981 1332352682.7790525 1982 1067738025.0582147 1983 942758503.9355227 1984 892862596.3564085 1985 927419236.6487153 1986 1165306160.9368346 1987 1362575513.8571126 1988 1449406891.3670423 1989 1328149045.1130865 1990 1484237576.4727974 1991 1562930949.344456 1992 1371316733.1626086 1993 1800090816.7318254 1994 1187550246.152817 1995 1588055132.1221638 1996 1710791898.3006296 1997 1646821716.9017396 1998 1820133919.7597973 1999 3015452302.224706 2000 2888101218.5533366 2001 3031375619.9939313 2002 3426575030.1168756 2003 4297327900.365607 2004 4880892659.568313 2005 5323184953.635339 2006 5705975755.879127 2007 6460306525.876641 2008 7783197471.948215 2009 7663555018.714348 2010 7482080041.987229 2011 8344171573.881681 2012 8527445815.979666 2013 9282602693.578888 2014 9693561456.393974 2015 8560727091.702438 2016 8655442793.939777 2017 9224704679.83021 2018 10047825827.70561 2019 9850211919.152655 2020 10675625815.707289 2021 11902119607.589579 2022 10637079377.731304 2023 11604935168.95153