Year	current US$
1990	7953633526.526972
1991	6956407906.794083
1992	5777500000
1993	6315242418.261956
1994	6839990574.53069
1995	6844113943.972301
1996	5625040544.923776
1997	5154060999.394526
1998	4409401977.110229
1999	3954583756.1730247
2000	5336979794.294642
2001	6075161755.754059
2002	7595514564.475489
2003	8926035396.91332
2004	11304496765.43828
2005	12445201950.952978
2006	18701109974.67767
2007	30122710960.73003
2008	43354329620.80435
2009	36162134242.824234
2010	34885364548.91597
2011	42508318550.63032
2012	38591805547.54628
2013	46243280706.82052
2014	49038554270.827896
2015	43936428065.53815
2016	42025008480.77064
2017	45071427654.88495
2018	48572603578.68357
2019	50670646601.81578
2020	50845925251.508484
2021	58998749404.20636
2022	60908611008.91014
2023	73264040399.624