Year	current US$
2003	512978770000
2004	447720260000
2005	401852250000
2006	1145454870000
2007	4478866530000
2008	1778784040000
2009	3573152460000
2010	4027840300000
2011	3412108290000
2012	3697376040000
2013	3949143490000
2014	6004947670000
2015	8188019320000
2016	7320738379789.18
2017	8711267220000.001
2018	6324879760000
2019	8569512150000
2020	12276766270000
2021	14437446150000
2022	11469346090000