Year	current US$
1960	-4065490.8519446366
1961	-5037120.781761145
1962	-6028614.890678779
1963	-6990201.136047489
1964	-8225759.453698037
1965	-8655180.404671567
1966	-11157865.66766576
1967	-15340631.755107734
1968	-26429641.36580576
1969	-23048309.535315443
1970	-34896023.80746328
1971	-36213372.55980821
1972	-38106797.372765996
1973	-56474873.00357002
1974	-72997319.99758638
1975	-71736884.52322355
1976	-59282514.8206287
1977	-83139341.53641503
1978	-97203791.06860173
1979	-91226210.32702786
1980	-141979478.27205762
1981	-234362488.6165084
1982	-149320990.11227968
1983	-5652158.851189597
1984	35351936.61605717
1985	167878450.53551334
1986	267408990.47651485
1987	524467506.6008871
1988	703247533.0692315
1989	403620850.0133506
1990	199519905.22804502
1991	256312337.47057366
1992	273993055.9670099
1993	332119311.20580256
1994	317919128.9723595
1995	334823481.7962728
1996	809639139.918603
1997	660519458.5351062
1998	-156298806.40245345
1999	628795766.7976028
2000	679485671.7237054
2001	537440936.7938095
2002	678720160.2075416
2003	887844461.5042727
2004	737177438.2577937
2005	1720112572.5565307
2006	1681219954.3762755
2007	1528386720.5317001
2008	-548818885.6425606
2009	-1701263594.7686293
2010	-1308000647.6660104
2011	-1584905837.516797
2012	-2175855219.3730145
2013	-431508369.8976105
2014	474683266.6320042
2015	-909144049.0820804
2016	1320940344.1359165
2017	630699419.9615228
2018	170521065.0026103
2019	-1491507109.5616932
2020	-2256407668.4134293
2021	-925067478.3611963
2022	299841787.5028863
2023	-784856953.382909