Year current US$ 1995 513158749.0531328 1996 465892173.91304344 1997 501122294.37229437 1998 437727001.8621974 1999 291303662.0360692 2000 327381166.8570142 2001 331967622.09718037 2002 349344581.15376115 2003 363064708.1606013 2004 456947348.7828816 2005 490082125.4600831 2006 494158734.20100653 2007 439367806.03207016 2008 533486578.7712215 2009 462213901.0718232 2010 778495724.198883 2011 957911088.6363738 2012 909945847.0534916 2013 1096905286.7951043 2014 1322964056.476268 2015 999758853.9985307 2016 995998008.0133195 2017 1160718383.4183784 2018 1141762625.1841145 2019 1192553957.3319304 2020 1080049486.6739004 2021 1449501653.4066467 2022 1203392991.2330883 2023 1260212945.0122545