Year	current US$
2002	4661062144.7309
2003	5424166519.125509
2004	7276096273.411292
2005	10187915801.190424
2006	12205182675.030453
2007	16793426831.538122
2008	27273497596.81541
2009	30106141239.84486
2010	23629203927.67719
2011	29539717729.594215
2012	34148610389.737583
2013	34597374204.318245
2014	37391495069.37982
2015	30952029925.0305
2016	14358920733.549221
2017	17781659791.395393
2018	14197377629.04464
2019	12557628119.36777
2020	12848257810.831543
2021	17582201885.36111
2022	27411216560.09622
2023	22547318751.07694