Year	current US$
2002	2520630000
2003	4081075682.46125
2004	4232697026.26875
2005	4011675054.69344
2006	3445148821.73469
2007	2961900000
2008	4365960000
2009	5749154020.49415
2010	4390475745.49137
2011	4377027028.4
2012	4698442226.5
2013	4949422789
2014	4288964954.6
2015	3674947485.1
2016	4170870499.8
2017	4452964985.3
2018	5007029016.94585
2019	4335489409.46761
2020	2757782883.94861
2021	1906757954.75054
2022	1714845541.23617