Year	current US$
1960	579597701.1494253
1961	630172413.7931035
1962	662931034.4827586
1963	606321839.0804597
1964	581034482.7586207
1965	607183908.045977
1966	521839080.4597701
1967	560632183.908046
1968	546264367.8160919
1969	637931034.4827586
1970	802011494.2528735
1971	888793103.4482758
1972	957471264.3678161
1973	1226724137.9310346
1974	1568678160.9195406
1975	1728160919.5402298
1976	2068390804.597701
1977	2671551724.137931
1978	2827586206.8965516
1979	2705827505.8275056
1980	2677800000
1981	3588729874.7763863
1982	2979201680.672269
1983	2567076923.0769234
1984	2988692307.692308
1985	2541015625
1986	3483600000
1987	3822900000
1988	5658888888.888889
1989	8000000000.000001
1990	13126666666.666668
1991	17748993674.52559
1992	2710305649.0680676
1993	3543527248.076126
1994	4417787430.639241
1995	5155998547.017081
1996	3822393411.534452
1997	5261464337.775894
1998	4994489793.174268
1999	4621632909.70832
2000	4986535756.302929
2001	5623435990.66262
2002	6830939918.52819
2003	8203981939.0811825
2004	9061261704.891336
2005	11680632398.73599
2006	14403000092.561337
2007	21200820395.8137
2008	23458660401.12661
2009	17296498346.153847
2010	18781018137.931034
2011	15321401947.368422
2012	12710377283.333334
2013	12738394863.013699
2014	16154478168.539326
2015	16323129424.242424
2016	9795429353.333334
2017	8764735157.142857
2018	7111321309.582309
2019	6520655246.280992
2020	5493662692.154255
2021	2176001725.6456146
2022	2599511708.570448
2023	6113063120.140845