Year current US$ 1960 806463073.3792679 1961 856845279.3842515 1962 897171495.4188447 1963 922156518.2398787 1964 977363820.7016246 1965 962761479.3551713 1966 985571385.2087067 1967 964979731.4187477 1968 961547951.6235057 1969 910117365.2586257 1970 885081769.9655846 1971 932030276.522624 1972 1085283127.4723704 1973 1301715684.740071 1974 1346727769.1930761 1975 1897176170.3565207 1976 2015052425.6292186 1977 2043600856.9157774 1978 2369881833.2925196 1979 2912880256.792299 1980 3334591814.480109 1981 2968491552.7979016 1982 3014354793.790245 1983 2808463226.3054795 1984 2741177626.753496 1985 2961340838.5947895 1986 4299621355.574695 1987 4956396271.34618 1988 5079930592.433726 1989 5074940569.806304 1990 5894113856.177391 1991 5832013784.533012 1992 6278872831.425557 1993 6131365197.800378 1994 4125078401.894497 1995 5050348072.218503 1996 5289953686.272197 1997 4746841548.334662 1998 5126467633.392577 1999 5076485499.943232 2000 4731921559.929198 2001 5033479528.314134 2002 5508361974.190814 2003 6876483687.65134 2004 7975109527.848354 2005 8616596053.309067 2006 9398734767.269505 2007 11189330342.581507 2008 13829416791.017738 2009 12844750311.33914 2010 12614221476.1577 2011 14097996567.315191 2012 13745102626.65665 2013 14616792724.466621 2014 14703524502.613459 2015 12908633279.445023 2016 13631625815.762817 2017 14780649669.53368 2018 16056649334.146982 2019 15984150821.89281 2020 16860449899.229221 2021 18323696881.150894 2022 18178798633.225586 2023 17345869946.732952