Year	constant 2021 US$
1960	1482500011.44409
1961	4429039986.72962
1962	3757620055.37748
1963	4296589956.76041
1964	4418780000.74625
1965	5520179974.55597
1966	5056679948.32993
1967	3964330019.95087
1968	4281169982.91016
1969	3471960024.83368
1970	3876230035.78186
1971	3302729949.95117
1972	3102580021.85822
1973	2973519951.34354
1974	3285009985.92377
1975	3267320001.60217
1976	3488779978.75214
1977	2987580010.4141197
1978	3366620029.44946
1979	3727289991.6172
1980	4082300017.3568697
1981	4639369981.28891
1982	5209729989.05182
1983	5554149994.37332
1984	5899540015.22064
1985	6753450035.09521
1986	6346050105.09491
1987	6827030045.98618
1988	6488019989.96735
1989	7005359998.703
1990	6951040053.36761
1991	7607899988.17444
1992	6414869972.229
1993	6421149998.66486
1994	7148560011.86371
1995	6867010048.86627
1996	8597859968.18542
1997	6552279918.819664
1998	6866179957.538844
1999	7466689913.392065
2000	6373469916.194676
2001	7973070065.855975
2002	6721069996.714595
2003	7109550037.264821
2004	7601750064.0153885
2005	7039050011.63483
2006	7593380036.35406
2007	6552960056.30493
2008	8341929962.158199
2009	8369270080.56641
2010	9342390056.61011
2011	9190719891.54816
2012	9487809966.08734
2013	9538749981.88019
2014	9081350087.16583
2015	10727919944.7632
2016	11806109993.9346
2017	8648330025.67291
2018	10096339941.0248
2019	8516919954.299931
2020	11721510034.561201
2021	10805730007.1716