Year	current US$
1960	2148293975.436056
1961	2314989801.310808
1962	2502048289.715613
1963	2685922694.7531285
1964	3051450455.652881
1965	3267130626.7166505
1966	3430618646.9926662
1967	3693215109.708893
1968	3632633925.4615917
1969	4172656920.534891
1970	4689673029.67303
1971	5422203909.543886
1972	6712069236.821401
1973	7880248890.603898
1974	8333004971.460135
1975	9954970383.275263
1976	9835499575.431644
1977	11569635939.002611
1978	14839601328.903654
1979	18521067053.513863
1980	21930124615.6336
1981	20709766763.848396
1982	20955220210.149788
1983	20028883233.825974
1984	18975880143.418133
1985	19837118347.630547
1986	26985269181.85672
1987	31953223314.60674
1988	35152683863.227356
1989	36084016073.22246
1990	45844603360.68777
1991	46482886297.37609
1992	51544038590.3792
1993	48530386091.405975
1994	53106473498.233215
1995	63228535353.53535
1996	69681199596.7742
1997	74854345749.76122
1998	80793989009.75664
1999	86255158364.30714
2000	87356264075.3147
2001	93407453250.5072
2002	107815207856.41548
2003	141965782782.43265
2004	167774483219.71973
2005	183494835455.8007
2006	203609185934.32913
2007	233496355355.79446
2008	238433636292.0148
2009	197524076527.478
2010	186534181410.50037
2011	194723926224.46536
2012	181973474361.18286
2013	201250103667.87665
2014	219734367164.68863
2015	225197829191.13034
2016	243380813400.78036
2017	268367803612.56754
2018	300093279897.4735
2019	309776780487.20734
2020	324405107692.0896
2021	383333737150.83105
2022	382869674217.08124
2023	421766885323.34076