Year	constant 2010 US$
2006	3932491003.59517
2007	4389499064.14541
2008	4808736269.30501
2009	4234681597.7361
2010	4301513907.28477
2011	4315634849.10007
2012	4198522120.38855
2013	4263113008.05416
2014	4373424922.23426
2015	4468257753.73872
2016	4671436781.90014
2017	4812060288.16832
2018	5011656764.44906