Year	current US$
1983	21555801.54976351
1984	25435856.091907687
1985	25265957.446808513
1986	27755986.40218163
1987	38753197.57121139
1988	41110451.42014441
1989	47034694.33480981
1990	50000000
1991	43105300.85959885
1992	40205658.24749541
1993	37579885.01492832
1994	50161075.55517375
1995	54205207.339154944
1996	48702548.357933745
1997	46112022.093725726
1998	43962593.36953752
1999	49723029.24656208
2000	52171070.28351311
2001	47353118.279569894
2002	49885654.88065148
2003	51043804.88983937
2004	82350836.38965918
2005	92479499.88170257
2006	120895691.37643784
2007	164627211.71446005
2008	238389486.14439195
2009	236610482.51328525
2010	237189024.52445766
2011	207255757.72936392
2012	174583726.89245716
2013	202353438.92958194
2014	181906837.96539724
2015	234215938.17668137
2016	176169624.33740494
2017	238877768.64050013
2018	240666273.31729677
2019	223284596.7794653
2020	420861501.1267117
2021	517146707.4758457
2022	566829473.159546