Year	current US$
1960	129999.995231628
1961	3369999.8855590797
1962	9000000
1963	8649999.61853027
1964	39009998.3215332
1965	38619998.9318848
1966	35950000.762939505
1967	34020000.4577637
1968	44840000.1525879
1969	49659999.8474121
1970	52580001.8310547
1971	51069999.6948242
1972	48279998.779296905
1973	63319999.6948242
1974	75620002.746582
1975	99680000.3051758
1976	107449996.94824201
1977	103949996.94824201
1978	129550003.051758
1979	159919998.168945
1980	209800003.05175802
1981	123050003.05175799
1982	136429992.67578098
1983	155320007.32421902
1984	122989997.86377
1985	117360000.61035201
1986	174419998.168945
1987	240479995.727539
1988	424730010.986328
1989	394559997.558594
1990	686400024.414063
1991	629900024.414063
1992	755700012.207031
1993	763630004.882813
1994	1593699951.17188
1995	1212439941.40625
1996	964770019.53125
1997	447000000
1998	967270019.53125
1999	447779998.779297
2000	350920013.42773396
2001	186080001.831055
2002	1067500000
2003	253699996.94824198
2004	160710006.71386698
2005	91279998.7792969
2006	247139999.38964802
2007	186860000.61035198
2008	390350006.10351604
2009	2217520019.53125
2010	845309997.558594
2011	1437709960.9375
2012	2908330078.125
2013	1273439941.40625
2014	925039978.027344
2015	651770019.53125
2016	615780029.296875
2017	829150024.414063
2018	960070007.324219
2019	1173609985.35156
2020	1562640014.64844
2021	1576310058.59375
2022	1974449951.17188