Year	current US$
1960	113000000
1961	115000000
1962	177000000
1963	174000000
1964	185000000
1965	85669998.1689453
1966	57090000.1525879
1967	1629999.99523163
1968	-3789999.96185303
1969	-2000000
1970	-2000000
1971	3000000
1972	-2000000
1973	-9000000
1974	40000000
1975	84000000
1976	245000000
1977	418000000
1978	625000000
1979	621000000
1980	834000000
1981	870000000
1982	901000000
1983	993000000
1984	1252000000
1985	1354000000
1986	1147000000
1987	1035000000
1988	799000000
1989	905000000
1990	2346000000
1991	2963000000
1992	1662000000
1993	939000000
1994	685000000
1995	626000000
1996	725000000
1997	542000000
1998	810000000
1999	666830017.089844
2000	634820007.324219
2001	630080017.089844
2002	845849975.585938
2003	441760009.765625
2004	704469970.703125
2005	401760009.765625
2006	195600006.10351598
2007	462410003.66210896
2008	470779998.779297
2009	185070007.32421902
2010	49389999.3896484
2011	-98330001.8310547
2012	-14850000.3814697
2013	58459999.0844727
2014	-173179992.67578098
2015	-154500000
2016	-129940002.441406
2017	-177110000.61035198
2018	-68160003.6621094
2019	-73760002.1362305
2020	-112599998.47412099
2021	46799999.237060495
2022	123849998.47412099