Year	current US$
1980	1137692307.6923077
1981	1558571428.5714285
1982	1286000000
1983	1017777777.7777778
1984	1335611111.1111112
1985	990526315.7894737
1986	1799470588.235294
1987	1694538461.5384617
1988	1727882352.9411767
1989	1542388888.8888888
1990	892272727.2727273
1991	486290322.5806452
1992	379381443.2989691
1993	252083786.33036166
1994	-423745387.4538745
1995	201351773.83096874
1996	-405106555.2113959
1997	5250080.416010902
1998	618504872.3043835
1999	488993306.850955
2000	306640920.2764597
2001	295746616.93919736
2002	254536044.0063072
2003	479786483.7692806
2004	649401406.5058354
2005	619627439.3586819
2006	1587896107.5941453
2007	2362683694.8915324
2008	2149218804.33799
2009	393927739.68999606
2010	170425676.1336677
2011	299615685.71631914
2012	415111344.6758195
2013	-98591023.29055478
2014	255481592.17497623
2015	71213410.483322
2016	297865753.5797159
2017	897466643.5626408
2018	1633045709.800133
2019	1646527960.6204567
2020	895998364.7725282
2021	3976585233.113624
2022	5707153547.970282
2023	1569702526.926853