Year	current US$
1960	-208573212.62148383
1961	-98853832.73051418
1962	18484899.050859537
1963	-232005478.61096373
1964	-30542853.33653993
1965	35511507.00928198
1966	334720332.47948647
1967	-21791566.748336237
1968	620894054.6957849
1969	376533078.25827724
1970	418915442.6442204
1971	6666151.550742863
1972	547618342.70739
1973	233407605.75508696
1974	1415900142.1181455
1975	-419376619.1414415
1976	-834266121.0741986
1977	-567940943.8229544
1978	-6343110675.706293
1979	-5510120385.040653
1980	10325657418.882822
1981	6503665115.565422
1982	-5258810298.381862
1983	-4560637361.905662
1984	-10369574611.60065
1985	-15502167831.487238
1986	-16218772824.710386
1987	-8264743542.34456
1988	-9185973842.13435
1989	-1943980396.6023984
1990	7537047917.314678
1993	1636509565.4054055
1994	-1918001657.429306
1995	5294647337.078651
1996	7611414844.612645
1997	3295232769.778737
1998	1346019565.2526515
1999	793969855.9204218
2000	4159092507.4158087
2001	-694763738.339921
2002	7471072925.609449
2003	14505655715.693314
2004	28051574589.255646
2005	23008657748.30806
2006	30363458407.31382
2007	39840392140.76856
2008	40552273136.83727
2009	41819896421.46518
2010	62844993645.58831
2011	43265981581.57951
2012	40370102809.11986
2013	36869304406.36788
2014	38471214672.766426
2015	26846709905.10804
2016	31934111065.579865
2017	47555549899.20647
2018	34762391433.37128
2019	39935074077.96308
2020	33010592387.243244
2021	45262518894.50901
2022	54876451165.27223
2023	38208938270.0388