Year constant 2015 US$ 1960 1867667631.065791 1961 1847233887.5534267 1962 2009016905.8861415 1963 2185124806.234585 1964 2770956388.6786723 1965 2653617581.4169526 1966 3375531385.559278 1967 3156239724.604377 1968 3123166999.495703 1969 3165297837.0306215 1970 3662653623.5999746 1971 3758712068.1657634 1972 4414690957.395105 1973 4692966046.694643 1974 3987693875.8406625 1975 4438916102.299914 1976 4810721942.780638 1977 4948279625.132219 1978 5323244761.828535 1979 5306603134.70397 1980 5616476351.384209 1981 5956473100.799135 1982 6476368905.404831 1983 7644238579.388355 1984 8577017960.1893 1985 9156529224.35146 1986 10074773175.50482 1987 11408638500.07971 1988 11905783754.426624 1989 14335475355.646164 1990 13881303933.731054 1991 13811787553.255331 1992 12725019836.268698 1993 14984713047.870783 1994 13454306490.16422 1995 14189702123.380726 1996 15155343374.262304 1997 13889097836.716627 1998 14836201468.937742 1999 13808838382.753786 2000 14847366168.568138 2001 13609996560.980999 2002 15470683836.430962 2003 16266708127.21658 2004 18541742968.977154 2005 18782767481.386944 2006 24617671957.803547 2007 23206372497.07159 2008 24796090199.00715 2009 27899714224.314587 2010 27044281398.021313 2011 26507408543.09318 2012 26981887024.96382 2013 28740111913.78434 2014 28828829815.950527 2015 29363323632.572826 2016 33439319367.05266 2017 34940020583.067055 2018 36857140188.20887 2019 36275903566.330635 2020 39362720215.752716 2021 40077895731.076065 2022 39544880865.61904 2023 37614627911.133575