Year current US$ 1960 781599975.585938 1961 870000000 1962 858299987.792969 1963 821099975.585938 1964 810099975.585938 1965 661500000 1966 471000000 1967 724600036.621094 1968 558000000 1969 592099975.585938 1970 587599975.585938 1971 614000000 1972 670190002.441406 1973 740609985.351563 1974 830459960.9375 1975 1038089965.82031 1976 990570007.324219 1977 945079956.054688 1978 1238640014.64844 1979 1520469970.70313 1980 1780689941.40625 1981 1997359985.35156 1982 1954909912.10938 1983 1837030029.29688 1984 2060409912.10938 1985 2034790039.0625 1986 2577469970.70313 1987 3388840087.89063 1988 3490979980.46875 1989 3842029785.15625 1990 4935770019.53125 1991 5082949707.03125 1992 5536679687.5 1993 5329839843.75 1994 5725699707.03125 1995 5386609863.28125 1996 4791409667.96875 1997 3964709960.9375 1998 3461639892.57813 1999 3333670166.01563 2000 2711640136.71875 2001 2443669921.875 2002 3486939941.40625 2003 5118339843.75 2004 5386069824.21875 2005 6923970214.84375 2006 7444649902.34375 2007 5698080078.125 2008 6037100097.65625 2009 6499860351.5625 2010 7295969726.5625 2011 8349270507.8125 2012 7793799804.6875 2013 6676859863.28125 2014 6394470214.84375 2015 5034729980.46875 2016 5552720214.84375 2017 6544449707.03125 2018 7329390136.71875 2019 7260219726.5625 2020 10262419921.875 2021 10006360351.5625 2022 6954410064.006226