Year	current US$
2006	1653884970000
2007	978959260000
2008	903562697000
2009	625748440000
2010	432192710000
2011	470274530000
2012	664371430000
2013	549848440000
2014	877875597737.544
2015	636401820000
2016	465374135110.7414
2017	386783763627.1676
2018	396584020000
2019	452951060000
2020	864042530000
2021	1161048270000
2022	1050028020000