Year current US$ 1970 316900003.09981406 1971 350859998.57634354 1972 402140002.16312677 1973 320949998.38992906 1974 274309995.8971146 1975 270280002.79888517 1976 253529998.59489506 1977 245020002.0372868 1978 208059997.37791726 1979 153609999.25248328 1980 157610002.67416233 1981 410579988.4479496 1982 64139999.52003357 1983 76149999.14728102 1984 31879996.543750163 1985 46739999.97414648 1986 32189999.66047701 1987 58409999.608993545 1988 56170000.0185519 1989 202189999.09609556 1990 495729999.8980017 1991 1832429976.6719346 1992 1400559987.9696965 1993 1053230001.9171095 1994 1341880005.2925942 1995 1854099975.5635865 1996 1932359992.4668672 1997 1612550002.4892397 1998 2310460009.3550973 1999 2486979999.858886 2000 2158190019.8627257 2001 2363370000.1146655 2002 1813929993.4152515 2003 1846950018.2624893 2004 2417330004.4592485 2005 1025610004.3971087 2006 1165760011.8108082 2007 1041190001.6646837 2008 1399520001.4095762 2009 1320740009.84244 2010 1347330005.7984896 2011 1437349985.409527 2012 1343640004.3591857 2013 1326860009.249299 2014 2037439996.9168017 2015 1925950006.7997725 2016 4153169870.149345 2017 1928839990.5040865 2018 1794990007.0317092 2019 1667200009.6738336 2020 3067850000.9849677 2021 2877950040.3590493 2022 28753369931.455704