Year constant 2015 US$ 1960 22618144.323778585 1961 21113914.416338973 1962 30590014.059041526 1963 27276341.67018898 1964 23799090.908277307 1965 34188137.66241758 1966 43200389.65542906 1967 35629463.26348728 1968 37449857.52717678 1969 39418475.822300114 1970 44339223.65695702 1971 49689899.59808354 1972 62064686.47930067 1973 53088390.22342067 1974 84955148.53453313 1975 72394417.47775687 1976 84855441.032647 1977 81319796.03074966 1978 103967006.70349415 1979 109885352.6423406 1980 129976394.68915924 1981 127990802.79862952 1982 182990919.93603295 1983 177797223.65320188 1984 182187934.50234762 1985 188953137.18585372 1986 217455282.20889834 1987 194718439.4730898 1988 193964685.70001134 1989 181905137.34219152 1990 153759625.32693917 1991 283425967.57782567 1992 291078479.54819983 1993 339005818.4434241 1994 382876509.6421022 1995 248595925.7205527 1996 257299674.82401037 1997 357645316.96378815 1998 390314165.37510824 1999 514145000.2002168 2000 640276892.6585084 2001 606866924.2166611 2002 663843984.1268803 2003 580135049.8462073 2004 701843314.2973531 2005 784747952.5767269 2006 968068946.6183075 2007 1088453778.5582247 2008 1059575896.2206678 2009 1241918330.1273344 2010 1270398938.9854615 2011 1495872355.2769508 2012 1776485136.9787211 2013 1938048705.554853 2014 2220424845.3079567 2015 2731456245.0789013 2016 2939909051.900472 2017 3107993511.2386527 2018 3353721781.829527 2019 3956498982.742612 2020 3813040604.607847 2021 3916320741.586801 2022 4616127724.644501 2023 5279439167.328096