Year	current US$
2007	1881587143
2008	1962231378
2009	1587643533
2010	1943251656
2011	2202094015
2012	2327204095
2013	3782388286
2014	4292918460
2015	3872098694
2016	3421633945
2017	4068849600
2018	3735725595
2019	4280200491.0000005
2020	4172699768
2021	5715250928
2022	6814962080