Year current US$ 1991 8660325523.516424 1992 9973525977.897993 1993 11125479505.994505 1994 10996216661.260235 1995 10617356325.770561 1996 10093824498.00749 1997 10053140117.30871 1998 10187395902.178015 1999 10431654281.880598 2000 10009022635.261564 2001 11332246607.618134 2002 14782316832.213037 2003 19627460971.963833 2004 22929347981.561146 2005 25045261984.392418 2006 25447107752.269596 2007 29128439467.656506 2008 33840568974.0421 2009 28860531467.31494 2010 28286044731.558506 2011 29236283603.988956 2012 25706156779.268818 2013 26761027291.624756 2014 28198998287.487152 2015 24676695336.203274 2016 25671943118.983654 2017 28898388193.85404 2018 31619493360.143555 2019 32944698272.896164 2020 33595136310.999 2021 38058139093.765594 2022 36529385952.15999 2023 42545962530.62269