Year current US$ 1980 10152881929.185402 1981 8669720760.760792 1982 8389197843.540999 1983 7620802918.1068 1984 7045798125.789395 1985 7005497959.9523 1986 8908328061.620909 1987 10426815151.284958 1988 11571897779.780975 1989 11948519976.626293 1990 13569188692.971 1991 14276881244.58023 1992 15622874326.540173 1993 14911502043.230455 1994 16197646126.263176 1995 18736346206.088993 1996 19441306748.74218 1997 18249358276.477383 1998 19770020415.608818 1999 20474463994.24586 2000 19643655458.309807 2001 20009557315.662468 2002 21503043045.095726 2003 26114102506.65761 2004 30187880435.95315 2005 32611243802.600067 2006 35285237158.24181 2007 42302601713.08955 2008 47388851435.26239 2009 47847985007.01245 2010 47574252497.10175 2011 53087964894.389595 2012 52543650680.97439 2013 55108176737.52817 2014 65230075834.45679 2015 57639281189.076836 2016 59572411902.91978 2017 62943574689.140465 2018 67580983032.1469 2019 68944136450.62178 2020 64548370632.905846 2021 73617642307.6461 2022 71317611257.53642 2023 76025868851.61125