Year	constant 2021 US$
1960	1958640004.93288
1961	5628499991.83416
1962	5720850098.78874
1963	5859179936.31959
1964	4842240031.12316
1965	5904239986.77731
1966	6035569975.52514
1967	4871770038.60474
1968	4978619996.72651
1969	4183060013.35382
1970	4323780028.58162
1971	3644929941.5350003
1972	3518490023.6129804
1973	3375549950.21969
1974	3550129990.33928
1975	3852069993.73436
1976	3642809978.00827
1977	3169220013.26084
1978	3473560028.31459
1979	3809389989.85291
1980	4290680016.51764
1981	4877479976.89247
1982	5445259991.04977
1983	5833839989.84098
1984	6186480016.35075
1985	7179060031.92067
1986	6809650097.60857
1987	7246860041.8567705
1988	7036839990.13901
1989	7745680002.92778
1990	7662740065.09781
1991	8362359990.954399
1992	7160219987.96612
1993	7334150003.1054
1994	7817220003.24726
1995	7416390045.88127
1996	9142479959.964752
1997	7021209916.5022335
1998	7325749966.204171
1999	7833209913.13457
2000	6744469909.280539
2001	8439460057.422523
2002	7067909999.191761
2003	7631720041.092486
2004	7899820065.706971
2005	7428760008.03709
2006	7941300037.59265
2007	6923190061.092381
2008	8703589962.005621
2009	8681900075.07801
2010	9794320049.28589
2011	9525629885.703331
2012	9872189963.22155
2013	9756459978.81889
2014	9491910089.4928
2015	10833559947.2523
2016	12071740000.0095
2017	8868480022.370821
2018	10337139938.3545
2019	8821139945.98389
2020	12180740043.6401
2021	11213789995.1935