Year current US$ 2000 169682651839.45712 2001 168046549490.95038 2002 176722041507.1432 2003 187037805860.42978 2004 223974995373.97235 2005 262214857383.31128 2006 304272384230.3443 2007 360989121056.7257 2008 437447137290.748 2009 473524095141.42334 2010 517212310969.80225 2011 318817655774.1065 2012 322078322677.24786 2013 329661294938.76215 2014 358984897542.6888 2015 365530264914.638 2016 375043078429.0174 2017 418897494099.8645 2018 354280380824.45886 2019 380055069108.72815 2020 373060259219.07666 2021 383358042258.94916