Year	current US$
2004	1176030251344.487
2005	1385160096678.1594
2006	1652468489741.5303
2007	2074734846883.655
2008	2568001629026.714
2009	2538255366016.5166
2010	3030191885615.102
2011	3670181422843.938
2012	3920183800971.4155
2013	4182684204020.8096
2014	4430894594667.524
2015	4314928435478.999
2016	4246712871937.4917
2017	4679207251318.472
2018	5169027348157.931
2019	5125818631822.333
2020	5090851225210.118
2021	6348692087852.541
2022	6468539082834.811
2023	6290468857424.887