Year	current USD
1960	232225199.49321267
1961	238385198.7932145
1962	238980184.8842062
1963	267022200.71542758
1964	318080233.80026764
1965	531073409.3002522
1966	635393522.168361
1967	753223375.8963187
1968	908561338.3931546
1969	1295280272.6366653
1970	1394418063.0642066
1971	1486384619.2112575
1972	1508915386.4171238
1973	1674063404.1667612
1974	2185762661.3706512
1975	4092690095.2618866
1976	3860862627.6293774
1977	4608020664.592216
1978	4794054373.384883
1979	5175645874.064022
1980	5393232265.258399
1981	4751572252.91019
1982	4418431974.105049
1983	4413444847.792626
1984	4069336050.5735426
1985	3924152958.1451445
1986	3532223564.9335456
1987	3688747599.1829348
1988	3889959685.180069
1989	3630168011.013547
1990	4048958685.1224217
1991	4162850861.504249
1992	4443170256.00443
1993	4364377400.380239
1994	4341047036.633238
1995	5077724310.959734
1996	5151125602.01107
1997	5112392584.252619
1998	4780340338.389504
1999	4472877757.466558
2000	4196046072.406739
2001	4223053041.352973
2002	5402079279.182111
2003	5190292143.502065
2004	5759354147.521676
2005	6192596863.960479
2006	6846619259.981672
2007	7497128911.439944
2008	8189237372.429389
2009	7941784946.106287
2010	9506243383.34816
2011	10809629384.458693
2012	11626930149.300447
2013	12360125073.528227
2014	13655856501.83863
2015	13427744092.412628
2016	14180423654.787884
2017	15549366825.86368
2018	17796766271.445072
2019	14971348974.908136
2020	15163724057.081362
2021	18827501013.371998
2022	15766576167.482218