Year	current US$
1960	13279999.7329712
1961	18909999.8474121
1962	21819999.6948242
1963	12729999.5422363
1964	17180000.3051758
1965	22180000.3051758
1966	30149999.6185303
1967	23100000.3814697
1968	25670000.0762939
1969	30819999.6948242
1970	26360000.6103516
1971	42189998.626709
1972	50080001.8310547
1973	44209999.0844727
1974	68339996.3378906
1975	98220001.2207031
1976	62490001.6784668
1977	70410003.6621094
1978	79620002.746582
1979	124589996.337891
1980	134490005.493164
1981	142720001.220703
1982	134720001.220703
1983	175470001.220703
1984	325029998.779297
1985	226800003.05175802
1986	190559997.55859402
1987	362059997.558594
1988	101980003.35693401
1989	137509994.506836
1990	466540008.544922
1991	287899993.89648396
1992	202440002.44140598
1993	94010002.1362305
1994	65690002.44140631
1995	106750000
1996	-456600006.10351604
1997	-240339996.33789098
1998	201740005.493164
1999	145929992.67578098
2000	48650001.5258789
2001	29329999.9237061
2002	89339996.3378906
2003	110319999.69482401
2004	299230010.986328
2005	29219999.3133545
2006	241360000.61035198
2007	202149993.89648402
2008	156350006.10351598
2009	139919998.168945
2010	-6139999.8664856
2011	40810001.373291
2012	18319999.6948242
2013	-113309997.558594
2014	19920000.0762939
2015	-600000.023841858
2016	-51819999.6948242
2017	-29250000
2018	-34470001.220703095
2019	-2930000.0667572
2020	-5190000.05722046
2021	14390000.3433228
2022	4889999.8664856