Year current US$ 1965 382561300 1966 396523100 1967 398450600 1968 449770300 1969 468222500 1970 520103100.00000006 1971 549783700 1972 594416800 1973 716614300 1974 881992300 1975 1022624900 1976 1191494500 1977 1441654400 1978 1568859400 1979 1751983900 1980 1957440900 1981 2150636600 1982 2190084800 1983 2293442600 1984 2426807900 1985 2513192782.608696 1986 1852142237.4429224 1987 1840439920 1988 2026946641.221374 1989 2156072372.159091 1990 1979806668.1261005 1991 2421137469.9734335 1992 2639956639.713149 1993 2834739749.6842704 1994 3179238927.660501 1995 3539386207.964754 1996 3770754120.6987133 1997 4220993601.2665534 1998 4546283701.363693 1999 4221727201.3323765 2000 4401955028.8742 2001 2608414839.653867 2002 2897002633.6985564 2003 2906146419.1716304 2004 3082388275.2851067 2005 3372020059.3559504 2006 3405439130.2168946 2007 3906494868.44259 2008 4363882620.54056 2009 4398931735.435221 2010 4569668522.473522 2011 5277648958.604406 2012 5317832951.750822 2013 5488429152.071055 2014 5828305613.656495 2015 6198086955.726559 2016 6381680532.351782 2017 6947753376.831244 2018 6918903508.567773 2019 7260931531.937463 2020 7714779898.078778 2021 8002073493.080513 2022 8841515858.302862 2023 9439108478.038815