Year constant 2015 US$ 1970 2305259894.5954323 1971 2426165133.8224654 1972 2424305053.2189727 1973 2332417071.4064274 1974 2565795184.4579926 1975 2601508732.045055 1976 2641190451.586235 1977 2580923840.0330677 1978 2558354862.0440216 1979 2388715511.0054765 1980 2584519995.866487 1981 2786028727.911542 1982 2755895422.1349583 1983 2668595639.144362 1984 2949343804.8982115 1985 2674175880.9548407 1986 2487919809.8584266 1987 2605228893.25204 1988 2629037924.976748 1989 2727374186.214735 1990 2857703833.8327985 1991 3150852536.943267 1992 2987041438.4623327 1993 3432096724.191381 1994 3528820915.5730076 1995 3765919189.8315587 1996 3751286555.750748 1997 3699452309.600082 1998 3766663222.0729556 1999 3766787227.4465218 2000 3586855430.4019833 2001 3486535083.1869373 2002 3791340291.412627 2003 3723137335.951224 2004 4156040095.0707855 2005 4248300093.0040293 2006 4401322723.984705 2007 4707864007.440321 2008 4894244083.910302 2009 4969763356.41211 2010 5466156866.79756 2011 5689614549.96383 2012 5952257931.177015 2013 5671633770.796732 2014 6089283868.967653 2015 5751865247.494056 2016 5406882298.232921 2017 5646584685.336362 2018 5577265681.512862 2019 5632076056.629117 2020 6017856773.793527 2021 6457703833.832794 2022 6701994419.7581835 2023 6375612276.531978