Year current US$ 1967 778045786.5571228 1968 885021223.5836828 1969 957837542.7036871 1970 1016992759.3839139 1971 1119275735.0157218 1972 1376836631.0888608 1973 1633547259.6711884 1974 1876158009.5322456 1975 2540677514.046051 1976 2561200140.8961306 1977 2627811887.435366 1978 4264015172.484331 1979 5576487334.311876 1980 5562771945.917815 1981 5948519908.735041 1982 6207429211.032086 1983 6469482077.379365 1984 7056306268.136896 1985 8278151533.492868 1986 11703434795.613533 1987 12880965932.524376 1988 12193312550.577986 1989 10797507576.754295 1990 11786761068.787197 1991 11102528723.959753 1992 11387830102.074072 1993 15497618393.283527 1994 8474423043.965032 1995 10316238262.764751 1996 10514126088.307312 1997 10224692035.06536 1998 10819195260.832972 1999 11118672100.375414 2000 9971652119.850649 2001 10257038433.805006 2002 11741246551.311457 2003 15443546602.043356 2004 18422803171.207478 2005 19020925175.282486 2006 20658217749.49301 2007 23427237227.861294 2008 27300877499.65965 2009 27818823508.196613 2010 27243249526.663834 2011 30327885757.114483 2012 29710253408.905155 2013 33113313979.550926 2014 35703010558.75397 2015 31773333682.502434 2016 33256524236.451656 2017 35436388545.56213 2018 39216305348.04582 2019 38825035814.222206 2020 39933227702.43519 2021 44262813774.90975 2022 42537231817.7381 2023 46953373571.81171