Year current US$ 1962 340398842.51795757 1963 372135558.32265574 1964 402207030.9646973 1965 438805215.2516785 1966 462388745.5819059 1967 505389647.2016668 1968 533996361.40699565 1969 559402400.2980765 1970 603865320.8827288 1971 662069224.9876184 1972 752538890.0549603 1973 953106716.5295244 1974 1275656023.6460204 1975 1600377325.4967916 1976 1784084923.4257967 1977 2055583844.9015229 1978 2513513637.55232 1979 3322109898.2102594 1980 4572513588.802652 1981 5668279467.695061 1982 5546036288.519526 1983 5353669220.890912 1984 4963692920.402074 1985 4188141383.8395877 1986 3847068794.6241403 1987 3904256611.587341 1988 4408190786.687062 1989 4673153555.474173 1990 5024084382.336641 1991 5472884899.662199 1992 6353626564.7048435 1993 7361803740.065093 1994 7243841613.086096 1995 8015430363.157855 1996 9000598336.774641 1997 9189053647.11951 1998 8832380987.315691 1999 8341188307.330349 2000 7669839174.189062 2001 7640907748.781393 2002 7342525840.06685 2003 6910095024.228046 2004 7746208680.676954 2005 8848923943.613972 2006 10905623416.87921 2007 13925434256.377403 2008 18643619739.743675 2009 21196931811.510025 2010 25323202088.441277 2011 28161163391.549603 2012 30522238709.792076 2013 35740317833.22997 2014 38156835755.46298 2015 37596664788.31125 2016 36720320684.88564 2017 36843967480.354675 2018 38938699125.66381 2019 38782939603.88674 2020 36672864162.80856 2021 38413518863.984 2022 40038668416.35824 2023 42537624853.62587