Year	current US$
1984	506848473.19347316
1985	531851946.3869464
1986	586538762.5
1987	534971224.99999976
1988	479461275
1989	593965025
1990	367816912.5
1991	-188023583.33333334
1992	-566819134.3751042
1993	-456247375.8726271
1994	-297305377.09974766
1995	-129603225.54545699
1996	-114899946.76212768
1997	-189079822.76755285
1998	-139027652.81820586
1999	77324402.60680667
2000	263558968.94616964
2001	437882918.0008353
2002	375246108.0667608
2003	480969425.3941364
2004	832327365.3801576
2005	968124102.2977673
2006	1054152294.8797166
2007	828095587.4080182
2008	840805804.38761
2009	972107049.4972935
2010	1280153134.0234337
2011	1382714586.438867
2012	1378380442.6760526
2013	1142850212.8724077
2014	1026607034.5089116
2015	933107609.6349217
2016	921570533.8622954
2017	1157918674.858123
2018	1455883280.4034872
2019	1332692701.5655859
2020	1137894682.926829
2021	2051158469.8608966
2022	2657146101.711327
2023	3089224502.174871