Year	current US$
1960	-28514851.485148516
1961	23238725.011358928
1962	6923076.923076923
1963	209230769.23076922
1964	132805416.21638304
1965	-15014969.92501524
1966	51964803.980282865
1967	4805618.285303643
1968	63980914.16797701
1969	255412949.99181014
1970	42826442.14018866
1971	160450528.95383087
1972	2545214.462315809
1973	234232782.1958984
1974	1052729171.9461768
1975	281818181.8181818
1976	373760330.5785124
1977	311570247.9338843
1978	494008264.4628099
1979	2008264462.8099174
1980	756462652.2288485
1981	2270683905.4999623
1982	1774898158.105455
1983	1931296530.0729632
1984	2525385997.9418736
1985	2804418289.2347302
1986	3750620281.802503
1987	3491142064.329067
1988	8345542793.857232
1989	9974595498.318727
1990	6290371849.833603
1991	7507159236.891686
1992	6153583650.97429
1993	4853172682.997812
1994	9774025827.255554
1995	10377644344.747835
1996	11750837494.233662
1997	8778403034.534609
1998	-11454744977.065321
1999	5074205300.110605
2000	6588311231.854424
2001	4657726686.075992
2002	4474264526.332794
2003	7134523908.828881
2004	12037779511.598166
2005	18991097401.302017
2006	26329126651.343933
2007	34520578961.28446
2008	27973950650.18569
2009	-13848527327.261478
2010	26591408263.14788
2011	39667730612.31782
2012	22524537704.64801
2013	10864831173.100939
2014	12360757570.00114
2015	7604032883.786012
2016	6347352075.24332
2017	12603439360.962433
2018	19179152767.593685
2019	23269511716.361717
2020	9606056534.045128
2021	12340730819.316935
2022	16940304666.874796
2023	-532756359.3195026