Year	current US$
1964	131727112384.47806
1965	142556818607.38763
1966	123545417194.36375
1967	135344603439.10654
1968	139339335004.68054
1969	151624372059.0958
1970	165714462569.90784
1971	180155516882.36453
1972	186490020331.22882
1973	212687770851.70905
1974	262475797528.1777
1975	283047435515.80255
1976	281225395247.36566
1977	326949851537.8973
1978	382681957602.3281
1979	440512449468.43616
1980	525865016523.9685
1981	555497987596.0217
1982	573883327710.536
1983	576948601591.958
1984	578339387517.8306
1985	621765584140.2426
1986	667069570969.3212
1987	724540653980.0889
1988	763617659426.2012
1989	773603790844.8378
1990	832160918909.2402
1991	763896692001.4069
1992	823218956100.0007
1993	815798832086.2245
1994	897537179651.6279
1995	1017350194857.6577
1996	1103546145548.2756
1997	1167589027165.9011
1998	1176656518253.8398
1999	1277973313674.6482
2000	1301736266589.7898
2001	1341220866642.1738
2002	1375947114445.8313
2003	1550902482915.332
2004	1774630728377.4844
2005	2033574285200.7993
2006	2324148014939.8027
2007	2926402925441.1567
2008	3181152511247.0913
2009	3412847470462.2085
2010	4011712055784.0503
2011	4474323297873.369
2012	4692416800379.088
2013	4859470271905.005
2014	5270790490572.467
2015	5372142728581.873
2016	5670059537142.313
2017	6173968274753.787
2018	6517670670597.852
2019	6761969806000.665
2020	6536396540017.604
2021	7605360162293.272
2022	8172062314628.413
2023	8251590350306.811