Year	current US$
1970	891799643.2801427
1971	1136067892.5035079
1972	1197356563.5325625
1973	2047210300.4291515
1974	6504232983.406671
1975	5726718591.263054
1976	7792753132.407653
1977	7482560108.364307
1978	10172705722.993465
1979	22177785303.08161
1980	32391999999.999672
1981	12481666666.66633
1982	7369666666.666336
1983	959032258.0641962
1984	5634193548.38677
1985	8004193548.386771
1986	3230645161.290003
1987	8779999999.99968
1988	9905806451.612572
1989	-5054838709.677739
1990	78998387096.77356
1991	-44265129.68299712
1992	207204425.2044252
1993	659761622.1245469
1994	2531609704.43824
1995	7231373274.019297
1996	6336059030.2855215
1997	12614199433.178328
1998	10417622945.885752
1999	25989447910.535606
2000	36089797060.40993
2001	23381092878.470795
2002	18579194747.234753
2003	9141604748.003143
2004	13823216946.577314
2005	21281202529.881832
2006	30721905716.039238
2007	37957083250.77444
2008	68558515640.81364
2009	29801901604.74217
2010	50749998119.65812
2011	84027275555.55556
2012	94984746115.99399
2013	103031767667.23842
2014	91208799828.47342
2015	42785640903.13696
2016	41315264521.59187
2017	60358257685.810814
2018	92271249883.74551
2019	88121427326.56517
2020	45580044723.72989
2021	87943345713.10345