Year	current US$
2005	-5483480157.02685
2006	-5472840373.80995
2007	-6626661762.31623
2008	-5759850496.61902
2009	-5138497573.45755
2010	-4943450361.22567
2011	-5657569293.76193
2012	-4566238833.65441
2013	-4630382129.88834
2014	10025428289.5898
2015	9089610892.02516
2016	7903934278.41531
2017	7054584241.91628
2018	7352605943.88195
2019	8303734817.70786
2020	11005190535.1609