Year current US$ 2003 873607510000 2004 850412010000 2005 833620000000 2006 1735679500000 2007 5328792690000 2008 2245490210730.5435 2009 4391440061455.5776 2010 5279851998297.985 2011 4669948310803.692 2012 5247964778754.844 2013 5415951308285.204 2014 7634083598089.575 2015 9572337769971.914 2016 8853854016831.676 2017 10653914826857.043 2018 8101282000000 2019 10491203700000 2020 14211353610000 2021 16593488460000 2022 13473930040000