Year current US$ 1970 1648390000.9989738 1971 1789430001.098662 1972 2022579999.346286 1973 2476490001.760423 1974 3270659990.2901793 1975 4116050003.5099688 1976 3421320011.9286776 1977 3783249989.9119153 1978 5212270014.33447 1979 6747239997.917786 1980 7527730011.731384 1981 7470809978.252277 1982 7631649988.222868 1983 7154339998.092501 1984 7624399989.854544 1985 8402259987.2611475 1986 10476769989.795986 1987 11565420016.482471 1988 14487179966.406897 1989 14071489998.297764 1990 16075029991.855848 1991 15780160054.495558 1992 16554269956.968725 1993 15054189968.99761 1994 16615629980.703812 1995 15927459987.165407 1996 14429399998.273697 1997 12456180019.056427 1998 13167370027.936993 1999 12485859969.61407 2000 12660279982.773586 2001 14272420023.497198 2002 16821129922.85192 2003 23582549960.596493 2004 23788079937.154438 2005 32032289981.115623 2006 38917089981.40692 2007 32780230066.91971 2008 36010100061.91024 2009 39304819974.55099 2010 44460450033.10965 2011 46544059988.89356 2012 43859010132.76168 2013 46783609939.34422 2014 42640140113.5791 2015 39512069839.464516 2016 40710750014.38149 2017 44632170102.33179 2018 45549750149.33014 2019 44809619907.49278 2020 49102470096.01817 2021 51837830098.57125 2022 46207320044.99063