Year	current US$
1960	33333333.333333332
1961	27272727.272727273
1962	-9090909.090909092
1963	6666666.666666666
1964	11764705.88235294
1965	0
1966	22222222.222222224
1967	5714285.714285714
1968	-862068.9655172414
1969	-2822580.64516129
1970	0
1971	32258064.51612903
1972	48964218.45574388
1973	1085180863.4772463
1974	54644808.7431694
1975	5366726.296958854
1976	-24530587.52271351
1977	-430385.1947493006
1978	1328241.7399966794
1979	84587905.07782598
1980	63044197.06822441
1981	-37339016.02890763
1982	-57749223.994802564
1983	29090062.834535725
1984	56804966.632673144
1985	82713828.14662503
1986	75722757.10870741
1987	213806191.85711372
1988	89351114.48312026
1989	-74799815.83378677
1990	5723036.826497841
1991	189282352.90036044
1992	152585681.35804805
1993	133049926.26409127
1994	231817058.05230337
1995	362943298.1571901
1996	262101702.33119535
1997	194500019.2229623
1998	242301490.73947015
1999	-38994285.36153025
2000	31604817.74922659
2001	140286529.50492138
2002	97917078.198409
2003	323495808.0106044
2004	424409440.56187683
2005	199916073.63166195
2006	241553197.52233985
2007	225690347.99289763
2008	826150045.8463634
2009	287818406.2793737
2010	141582873.75790003
2011	887910847.8069615
2012	413247798.2528806
2013	393731581.0360202
2014	-144707032.7077425
2015	-46632308.19127214
2016	256120443.6968819
2017	-205094739.58069912
2018	63567835.18120466
2019	-230358414.5757298
2020	550388445.4064466
2021	343741294.1801475
2022	-181635915.7698134
2023	-88965021.8526048
