Year current US$ 1960 2957887248.7132187 1961 2960911673.3029046 1962 3007286183.678095 1963 4190844339.7753406 1964 4952999336.376293 1965 5127407821.048204 1966 5411703732.478718 1967 6162769172.25082 1968 7280798128.904863 1969 8133685863.196404 1970 8810148829.756245 1971 11008905506.458197 1972 9712435499.012661 1973 14442635557.282063 1974 34984527370.43153 1975 34214307241.59142 1976 38755984833.77037 1977 42613134327.15032 1978 42774436971.93359 1979 64542228885.43592 1980 86524754944.80598 1981 64782166569.55105 1982 68425590058.59316 1983 65366888656.890396 1984 60956269463.59785 1985 60589305946.715904 1986 40774284176.62104 1987 50594590819.33252 1988 50541159318.24806 1989 61707334903.36995 1990 73177969230.52026 1991 60618542051.08288 1992 58859335081.41534 1993 54043442993.10482 1994 57762477096.88909 1995 62330366368.84533 1996 72043810009.38788 1997 72560986614.22424 1998 58860343222.94522 1999 80594866465.961 2000 114025847738.82365 2001 99773750930.69183 2002 104131946764.42981 2003 119072604237.48022 2004 156339564031.59503 2005 212103904616.23135 2006 267430711776.89304 2007 316580635783.8854 2008 420932357401.8324 2009 284600370172.54224 2010 354654108801.91644 2011 412358113690.0716 2012 430706289534.1686 2013 388056862111.942 2014 352008745427.4708 2015 248490756854.74734 2016 236129933556.69937 2017 295562901168.6252 2018 361054799375.2226 2019 315124879414.7163 2020 217931970800.55685 2021 354590595885.53314 2022 481555940160.56476 2023 425670622592.34094