Year	current US$
2010	3126548403.31087
2011	3488106647.2285
2012	5038581882.20059
2013	5007206529.99725
2014	4609360140.40804
2015	3774823540.4415
2016	3034550497.95796
2017	5161634277.69198
2018	6611117739.78004
2019	5227243181.89299
2020	4789774211.03762
2021	5498642440.08241