Year	current US$
1967	38367049021.59836
1968	47248459466.26926
1969	53374670305.26904
1970	56348519030.569244
1971	59006888122.61813
1972	70878090604.98532
1973	99926519581.70099
1974	172159142352.0255
1975	167198276812.77032
1976	210291174805.96588
1977	229038957910.4165
1978	223068431726.56458
1979	298985423620.1355
1980	401453803370.0331
1981	415333488643.0227
1982	350135796461.9957
1983	328244521332.2406
1984	328161061937.2036
1985	322166049915.23755
1986	279899596440.8972
1987	296110765403.8262
1988	312577078040.7268
1989	337032179428.0996
1990	392393918895.3484
1991	388345016794.854
1992	418371139201.3999
1993	471313141284.8369
1994	518083550717.8589
1995	558914452406.7544
1996	630263623589.8218
1997	658879826991.1392
1998	620822687487.7715
1999	663485071503.9912
2000	777153226567.3218
2001	746293365721.8369
2002	750443980303.5737
2003	864105819516.8369
2004	1085514193432.1074
2005	1329362903710.4346
2006	1597293524645.919
2007	1892028625125.2686
2008	2155409117181.8027
2009	1886405234675.8564
2010	2454920354473.2334
2011	2785154442575.838
2012	2817330687400.7
2013	2724760074596.665
2014	2681697519206.951
2015	2425711783887.4746
2016	2556360642867.883
2017	2868253073897.2373
2018	2975490714772.668
2019	2949136598638.449
2020	2602007372176.29
2021	3251034232394.039
2022	3730728080652.508
2023	3777020541215.25