Year constant 2015 US$ 1960 2925880096.949523 1961 3072025980.9686017 1962 3203359782.1479087 1963 3259151960.8443813 1964 3489232980.9554977 1965 3486270564.3875437 1966 3713882904.0253654 1967 3896071522.954554 1968 3785474637.750927 1969 3963713367.922844 1970 4369070701.637923 1971 4288591718.208498 1972 4029874004.6071568 1973 3993831269.6970463 1974 4190338235.3713474 1975 4167626375.017031 1976 4256992608.1503196 1977 4227862178.565436 1978 4212556359.6310053 1979 4394251242.465535 1980 4112327932.4152184 1981 4484604947.788141 1982 4617419957.251426 1983 4120227709.929764 1984 4608038971.452905 1985 4780352868.488913 1986 5074619580.905705 1987 5332349822.317729 1988 5751038030.588602 1989 5476027025.863512 1990 5124486926.4662695 1991 5223727881.492738 1992 4904280628.248333 1993 5412335069.652494 1994 6219099848.32538 1995 6450662076.720473 1996 6816520522.862828 1997 7085606694.45201 1998 7037220557.175424 1999 7936313985.549551 2000 8495223244.703594 2001 8325378028.140882 2002 8729747889.666643 2003 8832444997.355726 2004 9074375683.738659 2005 9397772825.740335 2006 10183306952.34288 2007 10584714397.300686 2008 11373210940.471188 2009 11407772467.09732 2010 11519356824.490267 2011 12454986723.869164 2012 12675686758.181759 2013 13005996205.508663 2014 12864293946.341516 2015 13372842123.840338 2016 13605391824.42475 2017 14009267949.855852 2018 15358648696.559034 2019 15588729716.67015 2020 15739812961.63582 2021 16575708169.89359 2022 17081293930.824457 2023 16412281522.561445