Year	constant 2010 US$
2006	22557632654.6783
2007	23792749466.6805
2008	27338895880.7721
2009	27613309960.3708
2010	32394589028.6513
2011	36212342108.9534
2012	37738501789.9359
2013	43737779636.8363
2014	46690358014.5883
2015	45926184944.59
2016	43471955410.2623
2017	45995830367.5326