Year	current US$
2002	9268942828.597162
2003	11543957929.237103
2004	13171618950.004442
2005	17739321022.687443
2006	23251235888.799225
2007	30360580116.77109
2008	40383014199.25864
2009	43668272330.05397
2010	44279724918.10085
2011	58374659005.32018
2012	68191069977.355225
2013	78311390790.23985
2014	84900941077.23218
2015	62602554388.85217
2016	36883791476.14467
2017	51670296689.643074
2018	53101669311.78924
2019	41500668026.78031
2020	30469916058.614807
2021	34939523982.569954
2022	57047981676.394585
2023	50982721789.092