Year current US$ 1960 631636890.587242 1961 700604687.7396559 1962 769368034.9005111 1963 900363687.8252128 1964 1115047537.2945433 1965 1308627604.3018866 1966 1342055177.9217076 1967 1412510916.679353 1968 1579114943.1338336 1969 1811915333.5218234 1970 2000806818.1818182 1971 2212454545.4545455 1972 2733386363.636364 1973 4490322209.436133 1974 5389988636.363637 1975 6042157279.489904 1976 6489141791.044776 1977 7481739130.434782 1978 8625547309.833023 1979 11091655933.76265 1980 14356163069.544365 1981 13479680196.801968 1982 13459198979.591837 1983 12208637770.897833 1984 11571638452.237001 1985 11598554157.41426 1986 14070949367.088608 1987 15884209864.11676 1988 17767852510.208984 1989 19664089383.13051 1990 24815116079.105762 1991 25647743503.458588 1992 27828550232.39185 1993 25002288941.73603 1994 25323011235.95506 1995 31047568760.111782 1996 33853424405.436012 1997 33000637713.715214 1998 37510447365.38683 1999 40098158121.893135 2000 45265314484.32637 2001 45460819435.2721 2002 46734251399.43694 2003 59993581082.062225 2004 70338051175.04807 2005 73342950866.27856 2006 86649290414.97517 2007 111629079024.74625 2008 128013758850.5359 2009 95289823664.46829 2010 87352312996.75015 2011 88702785566.1675 2012 80641031646.23088 2013 78049457029.63081 2014 80151665961.04404 2015 64870128721.44333 2016 63220752472.5305 2017 73032851011.50366 2018 87273446428.52779 2019 85744667894.18025 2020 74970361411.19243 2021 104573545732.7115 2022 128068311892.67949 2023 118617018481.99622