Year current US$ 2000 400857331 2001 290349085 2002 240865640 2003 279684361 2004 311200166 2005 334464734 2006 366707720 2007 512971120.00000006 2008 558430255 2009 518347245.00000006 2010 575491887 2011 745616508 2012 782358546 2013 900600302 2014 943698106 2015 957635938 2016 926498966 2017 1064875104 2018 1155634051 2019 1103808382 2020 1808741169