Year	current US$
1964	6439997.424001031
1965	15679993.72800251
1966	45359981.856007256
1967	18479992.608002957
1968	20719991.712003317
1969	20159991.936003227
1970	75599969.7600121
1971	21559991.37600345
1972	11759995.296001881
1973	134519936.0337497
1974	197091921.16323155
1975	-67572771.13647972
1976	9178758.106857236
1977	123771213.6719587
1978	249955268.09837213
1979	-64746487.4027281
1980	449314821.85017705
1981	294888155.8194321
1982	182170005.012669
1983	168043957.72472814
1984	164555332.96910095
1985	494078760.5151545
1986	154346100.16602013
1987	371703969.9554384
1988	417949974.9254808
1989	447617682.41018444
1990	301395165.83345574
1991	158172932.855899
1992	27867419.49464741
1993	38699110.58768252
1994	30034482.25107414
1995	39276814.29570265
1996	-121089312.87540248
1997	-32384477.23127771
1998	143406878.2954841
1999	-9029349.60940669
2000	89608814.33570898
2001	82952429.3211444
2002	-275926815.81216466
2003	95976190.31941581
2004	113194011.1501532
2005	-196640529.5044906
2006	-204241740.05751804
2007	157313986.23836857
2008	268419508.11922756
2009	310269934.8433137
2010	189314694.93981507
2011	551734885.3072662
2012	343075080.3724357
2013	998573213.0483005
2014	727916569.478431
2015	10185534.294373125
2016	-32396635.06503843
2017	629853948.8514675
2018	256315859.41596523
2019	381703152.75328684
2020	332175114.17013574
2021	773389661.1355941
2022	501308311.2456309
2023	422513606.7985302