Year	current US$
1960	6106175000
1961	6375575000
1962	6279451000
1963	6329700000
1964	6669380000
1965	7003047000
1966	7876984000
1967	8293591000
1968	9138051000
1969	9741472000
1970	11229329000
1971	12699998000
1972	14537549000
1973	19566929000
1974	34197458000
1975	36066774000
1976	34804104000
1977	37270315000
1978	42553250000
1979	57108942000
1980	78609105888.91
1981	85480140674.1
1982	66252322967.47
1983	52481555646.62
1984	53386291679.95
1985	55616263035.4
1986	54549238145.27001
1987	61316167529.270004
1988	68176850299.81
1989	77196887135.3
1990	90357680031.40001
1991	116776153154.3
1992	139070509024.99997
1993	158772927739.13
1994	193368101738.47
1995	209915306951.5
1996	240655848721.30002
1997	286238477824
1998	305368700632.19995
1999	302529959224.2
2000	338177740168
2001	329329657090
2002	309673886734
2003	324086795795
2004	387106626760
2005	453023373650
2006	533105259639
2007	627142324823
2008	762825727438
2009	571827152406
2010	757348779594
2011	919162993454
2012	945932266394
2013	986715158257
2014	991954920553
2015	894385955245
2016	823640685102
2017	903517334278
2018	1001255671197
2019	971760728170
2020	829847186124