Year constant 2010 US$ 2006 715.366354990079 2007 749.810664598843 2008 778.999209714122 2009 791.562502390978 2010 811.299781219574 2011 834.080731938299 2012 857.421316924332 2013 857.170472920303 2014 909.245103738448 2015 938.004942498564 2016 966.562874968454 2017 996.547662039245