Year	current US$
1960	4875210000
1961	4810910000
1962	3554930000
1963	4482870000
1964	6088640000
1965	5403790000
1966	7142830000
1967	7055300000
1968	8044070000
1969	9294970000
1970	9082540000
1971	10266930000
1972	12287740000
1973	22521850000
1974	35690600000
1975	52438840000
1976	61362800000
1977	78944010000
1978	86035630000
1979	89928730000
1980	109840580000
1981	153388312681.4
1982	156347596820
1983	147109190808
1984	135393456352
1985	113251886257.9
1986	103488759480.4
1987	103839798265.3
1988	114662922633.6
1989	120150674716.1
1990	139026922225.1
1991	149806865707
1992	170561675327.8
1993	159585231156.8
1994	153864013415.9
1995	172660243068.5
1996	183533167806
1997	183434693366.6
1998	189070899417
1999	198583607747.5
2000	212183018513
2001	222734921829
2002	232935582973
2003	264213007214
2004	362989516028
2005	397869696661
2006	451845113766
2007	618382458542
2008	832456691891
2009	722440504537
2010	831112003543
2011	850775090937
2012	957387463131
2013	1030751941271
2014	1047225641279
2015	942723638438
2016	866289055650
2017	869913444018
2018	881428951461
2019	867242509566
2020	771138625332