Year	current US$
1960	377999848.8000605
1961	639799744.0801024
1962	743399702.640119
1963	510999795.6000818
1964	198799920.48003182
1965	-121799951.28001949
1966	264599894.16004235
1967	47599980.960007615
1968	449399820.2400719
1969	89599964.16001435
1970	-632799746.8801013
1971	-829118994.6547691
1972	525545546.1966243
1973	739236756.0619576
1974	-201625662.09010753
1975	-911416779.8049513
1976	-433550108.3875271
1977	1974550493.6376233
1978	3044050761.01269
1979	5282516035.785246
1980	6468644152.669247
1981	-1663667886.3099504
1982	-314970492.23809564
1983	3155013014.9896774
1984	1361778160.9826493
1985	5064892817.481239
1986	5755718081.847431
1987	8506247197.3686075
1988	5982490186.798319
1989	5093650495.276391
1990	6132598158.481301
1991	5137769504.746832
1992	5274167658.363528
1993	6080039366.632983
1994	3045794213.019158
1995	1026444100.4277539
1996	2204054613.849678
1997	1723321503.0853121
1998	1534110765.65531
1999	3454792581.5011544
2000	3927186668.026931
2001	4797436597.046804
2002	4384888471.376839
2003	4150567322.1940346
2004	-328808195.6836029
2005	-659346396.3487966
2006	-4775569075.849558
2007	-4020941427.44911
2008	-4631880776.006168
2009	1246330694.3363645
2010	4844542605.045988
2011	3482071046.222545
2012	-5665968002.04631
2013	-8484620142.587706
2014	-5711637794.622109
2015	-4505144658.724619
2016	1459108010.170782
2017	4364612608.823021
2018	2060869011.9621344
2019	1971031573.1947844
2020	14776092041.456688
2021	25786894132.20858
2022	8170893220.916084
2023	1223182495.581088