Year constant 2015 US$ 1960 2819330814.7374134 1961 3151821633.157769 1962 2913469871.423808 1963 2987965263.129557 1964 3305423302.499673 1965 3235643348.318504 1966 4405515296.002767 1967 4001303965.174833 1968 4363916054.760946 1969 4977734061.934264 1970 5027495134.143587 1971 5453241938.379226 1972 5625938148.453899 1973 5324530568.75818 1974 5506153468.73415 1975 3388521281.7232847 1976 3530414211.0528064 1977 4784293651.496376 1978 5618384699.310163 1979 6899088870.026986 1980 8202083553.529366 1981 9499916259.393116 1982 6166984054.375374 1983 5033707908.998243 1984 5682626818.47462 1985 5126833315.648729 1986 5532562821.955195 1987 6562161041.413212 1988 7401677007.512565 1989 9254940127.107477 1990 9792539907.405144 1991 10473358730.806791 1992 12757373013.827715 1993 14566545305.66347 1994 16040539037.480865 1995 20047632568.264088 1996 22419859586.522938 1997 25358620658.674183 1998 27102456918.45036 1999 24421057217.708424 2000 27002213791.2984 2001 28351546092.270317 2002 28872588930.712795 2003 31145714837.3888 2004 37221033186.25399 2005 44058616487.945656 2006 49581921011.27355 2007 56401485365.47516 2008 62525523216.88922 2009 51457917824.20919 2010 64447277275.54729 2011 74655050896.30011 2012 77503642105.18048 2013 78943720791.36536 2014 73748192246.30608 2015 73118253440.20395 2016 73973322377.05054 2017 77268539041.17793 2018 83916887299.31526 2019 82461113430.68759 2020 72297259026.2551 2021 95352993277.90652 2022 96809137115.50117 2023 85180642479.64882