Year constant 2015 US$ 1960 1404896078.0160918 1961 1437952416.5638125 1962 1493046397.8456633 1963 2047658993.2036674 1964 1968690900.66368 1965 2226181769.704826 1966 2736807617.504891 1967 2561394783.9080267 1968 2880995125.7765274 1969 3250188640.492799 1970 3177635687.227501 1971 3309884115.955412 1972 3784692666.9693513 1973 4147457452.395151 1974 4422974991.135738 1975 4568999295.802862 1976 4870231809.492992 1977 5173300811.051302 1978 5167791038.919457 1979 5686682123.222346 1980 5979649419.753826 1981 5118197307.172019 1982 4685635052.073642 1983 4175927583.1883626 1984 4040923998.616782 1985 4169498853.897891 1986 3586320033.6107864 1987 3802142116.232934 1988 4016127421.8037667 1989 4549713050.143791 1990 5162280399.360636 1991 4692982175.337971 1992 5133810254.365373 1993 5476251937.547626 1994 5660333470.645135 1995 6371296797.31653 1996 6924717191.733197 1997 7485812276.408163 1998 7665046441.464981 1999 8017944751.776601 2000 8323985648.510933 2001 7991856368.184462 2002 8048622932.079408 2003 8006965807.502946 2004 8664895860.9008 2005 8482098597.211295 2006 8888447708.84417 2007 9725394574.707249 2008 9709542429.352386 2009 9451150184.067078 2010 10030881518.005022 2011 10332605897.31652 2012 10513803361.209322 2013 11214310085.237646 2014 11991163483.368168 2015 12331439231.385735 2016 12622343141.720463 2017 12810429102.176462 2018 12763020049.11743 2019 12792599921.174498 2020 11829865639.094147 2021 13043410279.25701 2022 13952266633.341015 2023 13898759623.731133