Year	current US$
1960	597350008.554757
1961	798079993.152991
1962	911699987.143278
1963	904989991.141483
1964	1010860000.75191
1965	1088290009.37939
1966	1165299995.75019
1967	1284430018.36538
1968	1152470006.85893
1969	1126479997.7540998
1970	1172670008.2887
1971	1356389994.5076602
1972	1454270011.2350302
1973	1804889999.65228
1974	2600700020.01524
1975	3497559963.88197
1976	3226930023.10395
1977	3847489995.30077
1978	5212200029.19436
1979	6664489981.65131
1980	7721580015.89775
1981	7488759983.53958
1982	7860069985.38971
1983	7584869929.56139
1984	8376560043.09654
1985	9217589920.52078
1986	11016589967.6085
1987	12813089894.5332
1988	14496010047.6742
1989	15500969892.5018
1990	17841889972.686802
1991	17822830018.9972
1992	19240769945.383102
1993	17349529899.597202
1994	19194359783.1726
1995	18636510098.4573
1996	16350740058.898901
1997	14895880022.049
1998	14476799968.719501
1999	13226520071.0297
2000	13057700087.5473
2001	14288190022.4686
2002	19048810117.7216
2003	24879359923.362698
2004	26488490002.632103
2005	32838650146.484398
2006	41197029866.218605
2007	36172450304.0314
2008	40255199884.4147
2009	44309030176.1627
2010	44362909770.9656
2011	47332209726.3336
2012	46763630057.3349
2013	47703150197.0291
2014	46459720042.7055
2015	44772349948.4062
2016	44315230124.4736
2017	49572019846.4394
2018	50894390280.2467
2019	53080099622.726395
2020	66890549784.66029
2021	62285599987.9837