Year constant 2010 US$ 2007 567044467.009528 2008 611706642.929653 2009 508758704.775227 2010 543735621.940263 2011 603111370.363314 2012 684364453.385175 2013 688405790.923059 2014 679974568.656635 2015 780293748.47997 2016 815000901.268839 2017 881998309.065436 2018 986776761.145226