Year	current US$
2007	4324399830.050792
2008	4699103512.46662
2009	6655129651.6230345
2010	5803653581.696248
2011	5084712082.857399
2012	4730049257.4862
2013	6738347208.485252
2014	6168022787.230659
2015	6471835170.4011755
2016	6645436910.240096
2017	6863748327.382688
2018	9460040070.953005
2019	9418019494.636047
2020	10991239884.0957
2021	13615527711.11783
2022	12889830271.22474
2023	14605778157.797022