Year current US$ 1960 150949266.72291058 1961 162476135.2337691 1962 176284128.93277615 1963 179620215.63205796 1964 190935935.50011986 1965 199916098.01013815 1966 199095941.0084492 1967 189643897.21148136 1968 191425770.50990963 1969 201697383.92714888 1970 205665711.38445508 1971 220729033.42157692 1972 263114969.5346693 1973 289222219.9046779 1974 284176829.09248775 1975 385707008.77082056 1976 398037301.4001804 1977 484213724.1895786 1978 575249809.1562967 1979 495409315.7535018 1980 481958291.23172855 1981 431030810.40824527 1982 407047241.1247755 1983 393200329.71923006 1984 448470692.0571387 1985 491478073.1658042 1986 543146075.8462842 1987 584309659.4683212 1988 705907095.2510884 1989 705977992.7543515 1990 877729671.0142334 1991 917571721.7191586 1992 936122165.3405124 1993 755840074.4753777 1994 583076560.46915 1995 714617098.6823868 1996 743741750.9677355 1997 679419258.2714449 1998 762181734.09174 1999 698186303.6668398 2000 618989303.044677 2001 735631040.41618 2002 877325647.9943117 2003 1108060927.65792 2004 1268825609.7561345 2005 2331767661.312562 2006 2416162109.1997547 2007 2876048379.4415836 2008 3385132945.3128905 2009 3485091525.296538 2010 3564511829.36313 2011 3967332522.259704 2012 3935847526.3899283 2013 4277257963.6545744 2014 4334324952.705006 2015 3617977819.6810985 2016 3079119781.036837 2017 3350845228.2695413 2018 4217506415.3528185 2019 4578861193.039224 2020 4669536572.036702 2021 4200724903.741269 2022 3039875566.2317805 2023 3774312827.9539847