Year	current US$
1965	3319790301.4416776
1966	3591625296.7839413
1967	3865103936.3113666
1968	4182242990.654206
1969	4462953995.157385
1970	5358201456.920372
1971	5797755674.572813
1972	6292657704.239918
1973	6770843860.5356245
1974	6173072927.488053
1975	7689390618.149935
1976	8746573982.125126
1977	9377828451.14892
1978	9863553668.890238
1979	12269714285.714285
1980	14989108093.055555
1981	13967567567.567568
1982	17838669950.738914
1983	20023282887.078
1984	22253278864.760265
1985	25232959899.486965
1986	26473339569.691303
1987	28201098350.353497
1988	24758659852.356617
1989	27932672862.45353
1990	30910722296.994167
1991	27318045862.41276
1992	30391478349.832996
1993	34513805522.208885
1994	38701067615.65836
1995	44795045709.230316
1996	52034198113.20755
1997	60530973451.32743
1998	65053128689.492325
1999	68062518431.14126
2000	75737560546.01497
2001	72776280323.45013
2002	62808988764.044945
2003	58634615384.61538
2004	56461038961.03896
2005	64109816971.71381
2006	75843478260.86957
2007	94430823117.338
2008	117745454545.45454
2009	143938294010.8893
2010	163303085299.45554
2011	178330464716.0069
2012	225283333333.33334
2013	232976744186.0465
2014	253457675753.22812
2015	271495956873.31537
2016	276220858895.7055
2017	213790760869.56522
2018	218711311198.6494
2019	256526195899.77222
2020	321048034934.4978
2021	365239005736.1377
2022	393422492401.2158
2023	326923420375.3063