Year	current US$
1960	582636821806.4363
1961	603067753167.8567
1962	646069775333.2383
1963	682295256201.7305
1964	733755851174.7605
1965	796668611597.7737
1966	874419347400.7117
1967	925632061886.8257
1968	1012423833006.1604
1969	1097008083538.611
1970	1161681557632.3093
1971	1264667554743.5137
1972	1392809248873.6235
1973	1557409843565.6433
1974	1706504788139.0596
1975	1859668757176.5632
1976	2081069912576.0652
1977	2294598176304.6543
1978	2571444342386.254
1979	2871741324295.7144
1980	3132696865996.053
1981	3515026742787.8594
1982	3659222307440.6084
1983	3976793677182.733
1984	4395317100091.543
1985	4706204512481.652
1986	4959811337023.724
1987	5289645738278.709
1988	5747233127658.554
1989	6210293493275.243
1990	6560811991360.987
1991	6772291612315.615
1992	7116394258318.8545
1993	7439432921639.4
1994	7869047506907.265
1995	8247740840061.207
1996	8706425384132.746
1997	9235471826855.555
1998	9699947748000
1999	10312908629271.115
2000	10999205634931.586
2001	11324591275355.37
2002	11693694562098.004
2003	12356177171634.785
2004	13248370941278.248
2005	14217173734778.676
2006	15140991809590.973
2007	15949815407783.26
2008	16329831690721.65
2009	15859348142157.291
2010	16672948893486.26
2011	17399371321174.521
2012	18088714669521.594
2013	18733746177834.984
2014	19420301866439.94
2015	19858182357217.14
2016	20339807652907.426
2017	21268509960244.094
2018	22389071169783.023
2019	23272543648672.52
2020	22985521877000.195
2021	25608789788464.152
2022	27913419349422.01
2023	29509296092073.555