Year current US$ 1960 1731670652.4148 1961 1533798887.534407 1962 1704741358.9695392 1963 2017355330.7036512 1964 1991596876.1038368 1965 2003305264.5582979 1966 2208202062.511368 1967 2250352260.9474277 1968 2536036939.236279 1969 2811184067.9161153 1970 3183510820.767979 1971 3103893779.2776437 1972 3559350090.156182 1973 4488996133.440395 1974 5956057206.784374 1975 5436204759.406301 1976 6260475306.600364 1977 7211196449.102607 1978 6948928547.722678 1979 9371394118.950686 1980 11414507904.25415 1981 10302962717.221418 1982 9855986494.47055 1983 9928874703.456305 1984 10286884435.827501 1985 9382213136.063156 1986 9800248452.304974 1987 9549427262.559883 1988 10894643472.517527 1989 12813318385.524843 1990 14596935734.823267 1991 12370629704.479023 1992 10594515553.164429 1993 10948736224.68942 1994 11427094654.211088 1995 14616150851.0222 1996 15869300114.9369 1997 15786898327.301176 1998 13002359997.065435 1999 14070372777.071306 2000 18118761902.083534 2001 18575717269.881638 2002 20672147165.70478 2003 22862750533.11161 2004 30340980299.32505 2005 37062611833.61048 2006 44256180878.90051 2007 50597908067.592674 2008 63826070365.84172 2009 50536909341.68052 2010 62827617536.43745 2011 68775528389.41602 2012 56478399276.14203 2013 55973287019.46591 2014 53950697686.589066 2015 46150351841.43598 2016 43594826271.64238 2017 53679948955.78598 2018 63437604795.55904 2019 55296950269.001274 2020 56601412434.49127 2021 71852308205.40697 2022 72041180213.45723 2023 75678523005.85376