Year	constant 2010 US$
2006	24794397597.3781
2007	25882146841.3275
2008	28298269495.1392
2009	29690962618.3512
2010	31640997973.4451
2011	35549276816.3956
2012	38002062431.568
2013	42088531437.9354
2014	42781720085.245
2015	44627380094.7035
2016	45891167870.3795
2017	49256591934.4169