Year	current US$
1960	-9770000.45776367
1961	-16959999.084472697
1962	7380000.11444092
1963	9489999.77111816
1964	20170000.0762939
1965	55580001.8310547
1966	43400001.5258789
1967	44040000.9155273
1968	33279998.779296905
1969	33090000.152587898
1970	43779998.779296905
1971	38389999.3896484
1972	37069999.6948242
1973	80040000.9155273
1974	68059997.55859381
1975	64599998.474121094
1976	73660003.6621094
1977	88330001.8310547
1978	132740005.493164
1979	190570007.32421902
1980	186110000.61035198
1981	202270004.272461
1982	158889999.38964802
1983	248789993.28613302
1984	267670013.427734
1985	307390014.64843804
1986	270989990.234375
1987	297350006.10351604
1988	280290008.544922
1989	309029998.779297
1990	397149993.89648396
1991	665169982.910156
1992	436329986.57226604
1993	577000000
1994	347209991.455078
1995	386950012.207031
1996	331700012.207031
1997	402339996.33789104
1998	492820007.324219
1999	459279998.779297
2000	412670013.42773396
2001	461089996.33789104
2002	497540008.544922
2003	509160003.66210896
2004	479079986.57226604
2005	465420013.42773396
2006	459899993.89648396
2007	321339996.33789104
2008	474589996.33789104
2009	442950012.207031
2010	-298890014.64843804
2011	590719970.703125
2012	385559997.558594
2013	363660003.66210896
2014	328299987.792969
2015	334829986.57226604
2016	320200012.207031
2017	-1259999.9904632599
2018	450829986.57226604
2019	458910003.66210896
2020	488739990.234375
2021	303670013.42773396
2022	829349975.585938
