Year	current US$
1960	7132338.590919575
1961	8151719.058618727
1962	4375874.047006812
1963	2857099.8932346883
1964	-2075156.7645599314
1965	5524528.301886792
1966	12286792.452830188
1967	9509433.96226415
1968	6354716.981132075
1969	16483018.867924528
1970	10581132.075471697
1971	23906428.067233205
1972	1431801.0550113036
1973	28088881.827802364
1974	45258511.979823455
1975	-6779463.243873979
1976	5402567.094515752
1977	58529754.95915986
1978	15344224.037339557
1979	-34445740.956826136
1980	129393232.20536755
1981	130379845.77086608
1982	113928888.66575576
1983	194696731.53369918
1984	97097226.32251912
1985	257425742.57425743
1986	289227598.56630826
1987	332270192.7672455
1988	255417601.26665786
1989	320659598.07668597
1990	281692156.4343456
1991	100515577.06444499
1992	90968264.66899517
1993	60938293.00039085
1994	82281064.765957
1995	-28909115.403885767
1996	-23571662.413942516
1997	98996720.98022357
1998	74405861.03658773
1999	-1027933.7020442453
2000	149702139.9136896
2001	44840878.15854289
2002	16963906.95347674
2003	-142513524.30642653
2004	-176463023.99926928
2005	-197932749.22574705
2006	180037628.16625917
2007	247814829.79120836
2008	266671823.79907402
2009	-784215370.4966106
2010	142164748.26916328
2011	263273990.46450272
2012	-82494995.80894041
2013	-114713139.23707297
2014	-320835270.72885656
2015	-76309367.3206947
2016	37896287.01463024
2017	-68314412.80059284
2018	104237809.42031413
2019	-122445931.20689979
2020	-3181445.511820974
2021	1114397658.3379824
2022	914117038.7203015
2023	-680626540.8212559