Year	current US$
1960	60819999.234750904
1961	3650000.10468066
1962	1479999.94084239
1963	23430000.5119294
1964	20010000.3760308
1965	20980000.6225705
1966	5709999.97854233
1967	30889999.9614805
1968	27600000.1337379
1969	19649999.765679203
1970	22030000.155791603
1971	12900000.233203199
1972	-2909999.83623624
1973	25070000.2126396
1974	7309999.9129772205
1975	18269999.9846518
1976	36740000.59627
1977	15790000.043809399
1978	3629999.8424947304
1979	-1140000.04529953
1980	3689999.8113513
1981	47600000.1747161
1982	49940000.7985532
1983	81859998.9805371
1984	73900000.35427509
1985	75829999.3500113
1986	104870000.50768301
1987	175280004.195869
1988	280959996.853024
1989	137329999.24570298
1990	257680004.25584596
1991	334350000.975654
1992	566669999.137521
1993	360590003.162622
1994	780819983.698428
1995	159780003.385618
1996	207510001.787916
1997	80719999.4437397
1998	55030000.1669675
1999	53670001.2441725
2000	41549999.6058643
2001	35150000.037625395
2002	51409999.6332079
2003	109429999.94196
2004	151829999.798909
2005	1037650022.75445
2006	579639991.223812
2007	664719995.604828
2008	1033509990.69214
2009	146599998.917431
2010	101970002.28241101
2011	88299999.5425344
2012	52289999.2987514
2013	80590000.3984571
2014	116160001.054406
2015	180009999.454021
2016	140729998.230934
2017	354999993.264675
2018	188700002.04443902
2019	212380000.293255
2020	273379999.924451
2021	242269999.712706
2022	288469998.52731836