Year current US$ 1960 83080001.8310547 1961 113800003.05175799 1962 157729995.727539 1963 108150001.52587901 1964 66900001.525878906 1965 42869998.9318848 1966 85430000.3051758 1967 231940002.44140598 1968 326029998.779297 1969 328609985.35156304 1970 464359985.35156304 1971 584500000 1972 494959991.455078 1973 597309997.558594 1974 649929992.675781 1975 668969970.703125 1976 643380004.882813 1977 499950012.207031 1978 625929992.675781 1979 716440002.441406 1980 936909973.144531 1981 964440002.441406 1982 894750000 1983 734669982.910156 1984 663469970.703125 1985 590859985.351563 1986 700179992.675781 1987 1207170043.94531 1988 1560770019.53125 1989 1768359985.35156 1990 1592550048.82813 1991 1791609985.35156 1992 1919430053.71094 1993 1876089965.82031 1994 1505199951.17188 1995 1251750000 1996 1057969970.70313 1997 797580017.089844 1998 1265689941.40625 1999 2132459960.9375 2000 1645430053.71094 2001 1458180053.71094 2002 1296010009.76563 2003 1738630004.88281 2004 97559997.55859381 2005 2489000000 2006 1229969970.70313 2007 581640014.648438 2008 731489990.234375 2009 685719970.703125 2010 1323760009.76563 2011 358109985.35156304 2012 69010002.1362305 2013 69470001.2207031 2014 -381940002.441406 2015 -28459999.084472697 2016 -108279998.77929701 2017 280190002.441406 2018 962690002.441406 2019 -693369995.117188 2020 1210020019.53125 2021 625900024.414063 2022 662700012.207031