Year constant 2010 US$ 2007 9127784490.96092 2008 9488437220.39233 2009 6882107205.72123 2010 6545379594.64102 2011 6851966247.79838 2012 6504649928.87646 2013 6664904660.68969 2014 6656728569.82457 2015 6513831276.81516 2016 6316315016.14123 2017 6631965737.24538