Year	current US$
1993	23384028484.49457
1994	21155223488.033264
1995	20232283701.744164
1996	20822894296.56085
1997	21372357999.62358
1998	20894197080.763577
1999	19296001945.586826
2000	18866293483.037766
2001	20151282120.67863
2002	22666185410.294254
2003	27037405500.404472
2004	34581107934.50447
2005	44447538149.75946
2006	59140125239.925476
2007	77048223214.67772
2008	96342540868.35822
2009	109347602803.80945
2010	121366972284.81113
2011	137043516449.8186
2012	166910698887.80774
2013	201747225782.80035
2014	208881386501.24252
2015	199694752875.0655
2016	155999097992.39993
2017	145112008014.42526
2018	147576694028.7087
2019	163361644199.51257
2020	163276500343.56418
2021	168692843270.05002
2022	188688263602.4776
2023	217777557296.6427
