Year current US$ 1993 24181917.043689 1994 118495162.502938 1995 191983699.801406 1996 265780085.184461 1997 298634409.136048 1998 324379262.617658 1999 393188373.175074 2000 501681375.193156 2001 586809421.703221 2002 776147452.797355 2003 815532973.129201 2004 943209908.434693 2005 952977872.681016 2006 1157253792.88171 2007 1806913381.26087 2008 2291547539.06125 2009 2851133471.83633 2010 3255113951.48335 2011 3449716900.02449 2012 4094338010.02489 2013 4516293633.02916 2014 5626033832.38956 2015 6882963943.31698 2016 8393381930.22263 2017 11261998844.6698 2018 13373243400.3041 2019 17033071126.3337 2020 18563829561.0276 2021 17317625963.3842 2022 14738493292.3965