Year	current US$
1970	327812213398.76764
1971	368431396750.4055
1972	436942349505.86395
1973	591485956501.5271
1974	796763998398.6614
1975	858074252150.9926
1976	951729669523.6873
1977	1081087290301.7723
1978	1280410109839.2422
1979	1592581333157.6921
1980	1919502952473.0466
1981	1933262972195.388
1982	1801515105048.036
1983	1763667569672.8564
1984	1867808338001.417
1985	1907756958567.524
1986	2204491053812.7266
1987	2607542367730.2993
1988	2996458122716.7627
1989	3238656686833.3384
1990	3715561046182.1025
1991	3866322731185.589
1992	4394713685981.717
1993	4215418927637.1045
1994	4623514624276.526
1995	5471453921851.331
1996	5663707248769.988
1997	5820546496537.835
1998	5788038741540.572
1999	5973472121444.358
2000	6523230774968.79
2001	6310429952877.656
2002	6571314824942.006
2003	7578967358903.449
2004	9102675063318.291
2005	10147931902401.576
2006	11517212678164.766
2007	13268387367768.21
2008	14944146318411.408
2009	12008585062335.887
2010	13955702424375.148
2011	16414368757618.416
2012	16482880671804.748
2013	16943024465404.418
2014	17285576742019.707
2015	15378825178417.613
2016	15194338185713.639
2017	16631438292045.688
2018	18184520162484.32
2019	17858047817798.484
2020	16023277678933.764
2021	19744565871753.52
2022	21915277943987.55
2023	21674014865528.383