Year constant 2015 US$ 1960 8038068840.546805 1961 8129565884.884771 1962 8869091956.874378 1963 9424297384.73167 1964 9943685369.995699 1965 10377699460.845133 1966 11586045113.728975 1967 12225972344.46587 1968 12994443432.12942 1969 13418275376.668436 1970 7187762855.638359 1971 7468190603.764711 1972 7999575904.349333 1973 8494906638.146236 1974 8674437206.560444 1975 9020497424.963364 1976 9318716167.233421 1977 9323337584.193478 1978 9517636648.21565 1979 9755594117.192703 1980 10022700328.264303 1981 9924596037.392563 1982 9888107299.544468 1983 9849382580.73535 1984 10309641477.240845 1985 10437986617.412868 1986 11011628451.393925 1987 11539803390.964764 1988 12377066378.313482 1989 12842994037.827099 1990 13747792168.77672 1991 14032644802.14658 1992 14114640651.419815 1993 14284835102.547407 1994 14508773000.531698 1995 15026723409.850311 1996 15709592840.20769 1997 16263399690.248701 1998 16866529754.087444 1999 17686894781.290512 2000 18486481203.15434 2001 19608760036.073223 2002 20999647619.28931 2003 22400909970.077427 2004 24081832736.071503 2005 25882267435.018677 2006 27572954444.23208 2007 29439239572.279755 2008 31113277454.49465 2009 32752668789.902798 2010 34828049320.634254 2011 37500111399.44324 2012 39187673997.62724 2013 41845219654.68124 2014 44662433111.64942 2015 47413919817.12405 2016 50669888784.25546 2017 54096327104.73719 2018 57054358529.88576 2019 60363511324.60043 2020 61565931105.41415 2021 64226431583.15387 2022 67159014151.451004 2023 70643261677.63626