Year	current US$
2007	4442896842
2008	5403784826
2009	4889828833
2010	4943700687
2011	5379956537
2012	5157053969
2013	5372311643
2014	5698240148
2015	5035410425
2016	4311783123
2017	4265577951.0000005
2018	4318503106
2019	4610571780
2020	4068984524
2021	4733188001
2022	5273631388