Year constant 2015 US$ 1960 1459277066.7407663 1961 1593979565.2116528 1962 1646609229.8483398 1963 1605020753.615737 1964 1801553907.1364 1965 1913805989.1682081 1966 1936974487.6475666 1967 2053538439.4307034 1968 2185817445.3299794 1969 2370192035.5800915 1970 2451316135.466726 1971 2477378651.3030944 1972 2514353035.862613 1973 2853849573.988231 1974 4779179281.790014 1975 5013614319.255799 1976 5518650613.357214 1977 5757582911.260784 1978 6201975717.851154 1979 6266571690.34498 1980 6501471341.111723 1981 6558649860.41352 1982 6600929670.800514 1983 6836383912.796221 1984 6884816577.496214 1985 6900655964.749228 1986 6933784201.877244 1987 6836230132.337443 1988 6808042501.437906 1989 7352885030.887418 1990 7295130652.846405 1991 7428798590.761567 1992 7487065025.011026 1993 7633344596.507407 1994 7625303841.668683 1995 7599154619.828969 1996 7263829785.63799 1997 7778490446.11097 1998 7597939099.819775 1999 7380264496.397273 2000 7675783095.240148 2001 6258679303.157022 2002 6501054852.515498 2003 6600496963.356253 2004 6484244209.170108 2005 6700524775.09596 2006 6957861386.013659 2007 7343324505.70537 2008 8162217500.208956 2009 9365839386.483076 2010 9683980531.554928 2011 10560261004.569334 2012 11780177893.206034 2013 13115959871.159555 2014 14152531827.515202 2015 14944817000 2016 14324820370.89672 2017 15032613284.513405 2018 15618918567.009756 2019 15175286100.143074 2020 14562568229.260916 2021 14569378053.109987 2022 14832185876.412325 2023 15380775570.71852