Year current US$ 1970 1544045179.507866 1971 1471186580.0509827 1972 807647328.3841995 1973 2197907265.576485 1974 4164056545.1532726 1975 -610840188.65855 1976 961483803.5527691 1977 1493634214.969049 1978 1285081337.2614322 1979 3552410566.8684645 1980 4264955166.229825 1981 1767109952.1946979 1982 2265181882.3944902 1983 -562373964.4970413 1984 2422995671.600112 1985 -307478089.54412663 1986 -1187738847.75149 1987 837426256.0777957 1988 1837120131.6511245 1989 1349436936.9369369 1990 -68290680.83051665 1991 497887773.1836976 1992 851775407.7791718 1993 1556788712.686567 1994 5429394743.187846 1995 1610153256.7049809 1996 1245472312.7035832 1997 1127198917.4560215 1998 1468881973.7719493 1999 1349272983.011586 2000 3021229009.098046 2001 576606289.8425204 2002 131718419.96078455 2003 1496638314.862742 2004 4449811757.1814785 2005 5890518621.634238 2006 6716323666.941167 2007 6170303275.960804 2008 9408275658.046873 2009 -2953730734.804685 2010 4831972106.666676 2011 7831975426.070054 2012 3612183350.9765635 2013 1331571146.1176507 2014 1768633094.1568565 2015 3072352145.429686 2016 4639030945.914409 2017 5922127631.411775 2018 9742992801.333326 2019 3887823025.098033 2020 62478127.15953325 2021 10681091192.24789 2022 18498905426.07011 2023 4655726456.078513