Year current US$ 1960 480190673.2352006 1961 440668808.7517217 1962 428812249.406678 1963 476238486.78685266 1964 545401670.5892117 1965 535521263.75113875 1966 545401729.8720084 1967 545401729.8720084 1968 604684526.5972267 1969 671081258.9294713 1970 697778278.3880613 1971 738600055.9608504 1972 942466527.5604243 1973 1300658084.2436464 1974 2115101331.4897566 1975 2019155150.898695 1976 1717031972.3975136 1977 1866967361.601796 1978 2167005746.314024 1979 2706652297.6640453 1980 4201411556.9446683 1981 4032797040.2312627 1982 3822370232.086152 1983 3697958874.8816504 1984 3800181963.9576974 1985 3824760011.924873 1986 4258765117.071425 1987 4893088773.181725 1988 6425436405.939751 1989 5935176840.237648 1990 7411991822.227225 1991 7205742182.609645 1992 7474470438.041696 1993 6983435380.148403 1994 7454972834.9451275 1995 8849422505.854801 1996 9424749950.550009 1997 9365776466.883595 1998 9784229421.132944 1999 10472253113.621521 2000 10408859646.150951 2001 11131243438.12138 2002 12213885545.776243 2003 14319608062.47254 2004 16759410598.784372 2005 19275921048.238197 2006 22483592810.163918 2007 27325793519.379646 2008 33064161825.471836 2009 26014198657.085056 2010 30046721232.98624 2011 35175698017.58371 2012 34323797625.18044 2013 35014914037.27843 2014 35897680523.63354 2015 33119569273.85218 2016 34291493550.430305 2017 38651885813.43083 2018 43077520359.35685 2019 43952860516.02379 2020 37369771251.447975 2021 47060549921.4328 2022 58661445221.078156 2023 62021736947.26601