Year	current US$
1960	44049999.237060495
1961	54790000.9155273
1962	55159999.8474121
1963	27870000.8392334
1964	-5289999.96185303
1965	-57150001.5258789
1966	-9279999.73297119
1967	8979999.54223633
1968	2720000.02861023
1969	17579999.9237061
1970	-2440000.05722046
1971	4980000.01907349
1972	1889999.98569489
1973	13560000.4196167
1974	15949999.8092651
1975	12000000
1976	14090000.1525879
1977	16389999.389648398
1978	16760000.2288818
1979	28270000.4577637
1980	43680000.3051758
1981	36830001.8310547
1982	29489999.7711182
1983	34419998.1689453
1984	32740001.678466797
1985	39080001.8310547
1986	73669998.1689453
1987	83389999.3896484
1988	142479995.727539
1989	201610000.61035198
1990	171630004.882813
1991	277769989.013672
1992	266730010.986328
1993	245949996.94824198
1994	160919998.168945
1995	148179992.67578098
1996	122440002.441406
1997	99260002.1362305
1998	73959999.0844727
1999	82379997.253418
2000	74559997.55859381
2001	157639999.38964802
2002	98989997.8637695
2003	117720001.22070299
2004	97339996.3378906
2005	93870002.746582
2006	114209999.084473
2007	90230003.3569336
2008	125019996.64306599
2009	116029998.77929701
2010	130309997.558594
2011	97050003.0517578
2012	177759994.506836
2013	34729999.5422363
2014	48790000.9155273
2015	-18870000.8392334
2016	2619999.8855590797
2017	-1169999.95708466
2018	73220001.2207031
2019	8890000.34332275
2020	101730003.35693401
2021	155259994.506836
2022	384070007.324219