Year	current US$
1960	26600000.3814697
1961	21309999.4659424
1962	9800000.19073486
1963	25129999.1607666
1964	40709999.0844727
1965	27149999.6185303
1966	101980003.35693401
1967	93419998.1689453
1968	67489997.8637695
1969	69769996.6430664
1970	105819999.69482401
1971	104819999.69482401
1972	70410003.6621094
1973	54779998.779296905
1974	112559997.558594
1975	109300003.05175799
1976	66919998.1689453
1977	36759998.3215332
1978	46330001.8310547
1979	17420000.0762939
1980	35790000.9155273
1981	51849998.4741211
1982	33709999.0844727
1983	40610000.6103516
1984	64860000.61035161
1985	42310001.373291
1986	46479999.5422363
1987	38500000
1988	49189998.626709
1989	24309999.4659424
1990	22559999.4659424
1991	25059999.4659424
1992	12489999.7711182
1993	38419998.1689453
1994	34639999.3896484
1995	20110000.6103516
1996	29420000.0762939
1997	16829999.9237061
1998	14159999.8474121
1999	4760000.228881841
2000	6789999.96185303
2001	13399999.6185303
2002	16030000.6866455
2003	-281450012.207031
2004	33560001.373291
2005	34009998.3215332
2006	25459999.084472697
2007	21430000.3051758
2008	13279999.7329712
2009	11539999.961853001
2010	7909999.84741211
2011	10779999.7329712
2012	8899999.61853027
2013	10800000.1907349
2014	7320000.17166138
2015	9659999.84741211
2016	5869999.88555908
2017	5469999.79019165
2018	4389999.8664856
2019	8000000
2020	6190000.05722046
2021	12960000.038146999
2022	2109999.89509583
