Year	current US$
1960	-114140071.98181817
1961	-198972557.6380952
1962	-81469877.69376174
1963	-138188933.47718868
1964	-58310183.35500645
1965	38087750.36426976
1966	67017562.425344095
1967	80542442.40331493
1968	43189832.75159991
1969	168513809.35251772
1970	35341660.755453095
1971	-131010367.51576687
1972	-426238592.22462195
1973	-351014120.208816
1974	37116935.66071664
1975	-187399627.73019058
1976	375782331.7259539
1977	-320362052.027428
1978	-613837750.8498986
1979	-745793488.3615035
1980	-1387218822.3076923
1981	-3683471885.3846154
1982	-515371499.45462
1983	412516961.607604
1984	-326526914.74050593
1985	339874218.85615903
1986	488799123.4652621
1987	555122127.393398
1988	1690789705.2315648
1989	1325335766.7118556
1990	1074813124.8509562
1991	1706007583.5958617
1992	767144019.6862308
1993	-910684559.6395216
1994	975504071.159176
1995	1678472004.0363922
1996	-1587284765.6430402
1997	-2009169697.9117138
1998	-2909838337.818415
1999	1453089370.2941225
2000	1202973201.037831
2001	1109305084.4679737
2002	1426773851.4944923
2003	3387496431.8537717
2004	9394522658.97942
2005	10136484481.559872
2006	21568420265.872116
2007	22911436067.13728
2008	2965554009.9345794
2009	12961052512.410408
2010	13219088246.280237
2011	7284860207.476581
2012	-1241563453.9698925
2013	-2686184550.3980594
2014	968623975.8667482
2015	-2344377344.0998764
2016	-527476262.84291136
2017	1757983384.3343322
2018	-3310531200.346583
2019	-5182833957.972208
2020	11375796842.625013
2021	-2812123012.9870048
2022	-11956461652.249117
2023	4383337168.962096