Year	current US$
1970	444680067.95016986
1971	346072747.9397556
1972	-19924003.441353597
1973	71691302.31834447
1974	1298424452.4972427
1975	811566187.1666397
1976	-170818587.47499615
1977	-351670355.6145787
1978	-486815884.4765343
1979	1152039383.3002596
1980	2107108702.582085
1981	668228162.0281069
1982	663624028.6172444
1983	306362083.68915457
1984	479817965.9675505
1985	164044512.6630852
1986	-56298381.42153413
1987	-104152576.7618017
1988	1014925373.1343284
1989	1716779825.4122212
1990	649976675.4781528
1991	-2277606234.3772974
1992	-1298115211.0432706
1993	-504840220.67242634
1994	1145133750.71144
1995	1433823529.4117646
1996	-346880662.6973855
1997	499370060.70324135
1998	1079216733.4223409
1999	-52223045.94594606
2000	1016897416.4705904
2001	391390103.54330754
2002	632588822.3529423
2003	761270943.9215671
2004	1209073051.737455
2005	3454838686.3813214
2006	2675681092.9411726
2007	3476902785.490207
2008	2151715250.7812495
2009	-3757543844.5312476
2010	-532938100.000001
2011	3935057500.0000076
2012	808132074.6093752
2013	885854732.1568652
2014	1234177228.6274467
2015	1132812661.3281245
2016	1276259289.1050615
2017	1682095271.7647088
2018	3288958309.8039193
2019	716463686.2745086
2020	1306672348.638136
2021	1420471112.4030778
2022	7330271570.038939
2023	-2097661137.254939