Year current US$ 1960 608431562.4545454 1961 740116922.1619048 1962 871506116.5028356 1963 924189479.9013563 1964 940407777.8933681 1965 930439900.0633513 1966 1054177465.9049597 1967 1043902142.8768744 1968 1106347199.1710296 1969 1244534844.5114875 1970 1435688692.2326655 1971 1664856736.66967 1972 1621931267.5785937 1973 2263123866.726222 1974 2910034981.259257 1975 1416109977.2381856 1976 1453083867.5497258 1977 1983405553.0148287 1978 2525001309.6164613 1979 3455443978.1223316 1980 5147027577.179487 1981 6827673086.666666 1982 2876222248.3486323 1983 2745759666.084698 1984 3073306511.931664 1985 2960340744.2760916 1986 3235777772.3255777 1987 4345008966.051706 1988 5386343573.411736 1989 7252166655.408785 1990 7946298813.018943 1991 7932911027.141356 1992 10935913276.387318 1993 13092385570.276766 1994 14199310917.473572 1995 18912395593.564846 1996 21922808953.220596 1997 24551917254.76516 1998 22611690910.421326 1999 16939045999.48409 2000 17268496559.406506 2001 16095785324.60069 2002 15650968352.283003 2003 16896925715.577084 2004 21200853364.013016 2005 28578668348.264435 2006 32406684833.473934 2007 37913268160.2317 2008 48357583409.67956 2009 41433371768.071075 2010 49955335553.75889 2011 62142758221.85269 2012 71436238599.06937 2013 73089933638.76541 2014 66119370446.029625 2015 61753005219.72521 2016 60164914964.97034 2017 61465489054.20849 2018 68194554801.42388 2019 68318108353.646225 2020 57327174111.34515 2021 73551650332.31006 2022 76417616443.63066 2023 79970557551.3307