Year	current US$
1994	3617321319.6685953
1995	3764012510.6022053
1996	3920785134.254046
1997	4029184111.091119
1998	4232383863.0113688
1999	4455814281.964214
2000	4788380845.7633
2001	5077928716.188424
2002	5098336558.770077
2003	5234170914.820651
2004	5603862259.368019
2005	6130288789.419899
2006	6528514513.375071
2007	7096349296.690788
2008	8008507167.598429
2009	7952653703.385038
2010	8284776460.452136
2011	8876129912.639414
2012	9397452721.612795
2013	9846295727.021212
2014	10431335688.338104
2015	10785822253.529396
2016	11273156074.211245
2017	11550802139.037434
2018	11117794708.619095
2019	10997654105.918478
2020	10868380209.713442
2021	12754769554.462484
2022	14689695158.664675
2023	16089782992.876194