Year constant 2015 US$ 1960 2980610211.8591137 1961 3204088717.2535353 1962 3553039557.7349906 1963 3939094333.4751153 1964 4399908458.054702 1965 4819006594.896681 1966 4978088575.651213 1967 5325037147.140425 1968 5396550268.81565 1969 5733171095.848686 1970 5810788290.601777 1971 6002820694.34859 1972 6136126707.662335 1973 6529882815.93457 1974 7456631543.397236 1975 7445204487.134407 1976 7833059027.210247 1977 8488567046.829194 1978 7823165221.700103 1979 5751685819.8888 1980 6016938171.46198 1981 6339644026.113136 1982 6287889586.500053 1983 6577963239.997709 1984 6474946158.083745 1985 6210648472.026877 1986 6147466976.150964 1987 6104044162.337177 1988 5344101527.083868 1989 5251209481.620464 1990 5248452611.279371 1991 5238518261.768703 1992 5258757097.832753 1993 5238093545.588915 1994 5412926761.674257 1995 5732934008.499327 1996 6096646726.929777 1997 6338479420.8765335 1998 6573743586.638567 1999 7036270243.740815 2000 7324869218.073413 2001 7541747131.509705 2002 7598607295.069773 2003 7790147888.757559 2004 8203973832.225239 2005 8555300671.2423315 2006 8910619383.464314 2007 9362906161.439848 2008 9684500655.925436 2009 9365755448.171125 2010 9778752061.746931 2011 10396522413.825916 2012 11071878350.368631 2013 11617291815.719105 2014 12173277634.467215 2015 12756706583.311321 2016 13338785870.019558 2017 13956556222.098545 2018 13487098742.50557 2019 13096446535.401367 2020 12866554084.925076 2021 14193796833.092342 2022 14726388508.152061 2023 15399345045.34212