Year constant 2015 US$ 1966 14824659511.639338 1967 15412623361.197853 1968 16918947282.45931 1969 18166853980.71279 1970 19052702008.850792 1971 19597387316.167084 1972 20972505199.334534 1973 21445592160.823677 1974 21711510082.230934 1975 21215935145.834618 1976 21964802680.171333 1977 22441239717.778526 1978 22262468068.56289 1979 23641965917.25883 1980 24420351547.63638 1981 23924163790.625366 1982 24303749011.41356 1983 26201840694.341858 1984 27225584359.75063 1985 28187831929.809895 1986 28672500056.430153 1987 27451946887.97645 1988 27161825896.56791 1989 28165980854.32887 1990 27687901403.96581 1991 27433811678.45892 1992 27329689695.565018 1993 26629184156.74323 1994 29579158271.675484 1995 31271064281.29048 1996 30144327661.702156 1997 32839510495.633617 1998 33477393883.08432 1999 33922433934.184895 2000 35153034952.83853 2001 35715654812.910324 2002 34848477078.9886 2003 33827902155.438858 2004 34408703599.03541 2005 33810337108.39476 2006 35623417209.81015 2007 36052472051.439674 2008 35829053975.40333 2009 31566277049.511482 2010 32760408478.714413 2011 34807936386.78828 2012 36228704129.22122 2013 37238085229.50788 2014 37738205710.42003 2015 37541887296.22084 2016 39795712502.22156 2017 43523605534.76635 2018 44826893796.609085 2019 47143948623.7486 2020 44364575860.586075 2021 50947919552.85686 2022 59748504264.37132 2023 66781028225.599205