Year	current US$
1960	5112929000
1961	5225393000
1962	5471757000
1963	6056706000
1964	6615463000
1965	7059782000
1966	7625012000
1967	7419874000
1968	7946787000
1969	8969512000
1970	10084734000
1971	10204324000
1972	12546725000
1973	17826669000
1974	23857626000
1975	23722020000
1976	27657891000
1977	34938526000
1978	38862630000
1979	49600714000
1980	63173080666.67
1981	70833174521.88
1982	65980035535.079994
1983	68190792943.65
1984	77237808837.59999
1985	73666057021.03001
1986	63252059922.04
1987	71154093384.45001
1988	82879604149.26001
1989	87773436564.01
1990	94532441360.11
1991	109643158472.73999
1992	119645831339.38
1993	130379299121.69
1994	154298048918.06003
1995	183760329023.27
1996	208403859903.62
1997	236725784241.83002
1998	240564330056.53
1999	258396461663.88998
2000	302765985146
2001	293303654320
2002	297991389323
2003	325366002762
2004	389318710763
2005	457164593418
2006	534474161610
2007	601901505210
2008	698661273171
2009	553156836659
2010	712130015490
2011	875315027421
2012	889095216209
2013	893506818230
2014	885161777424
2015	782285412633
2016	764918492624
2017	854331254901
2018	936035489457
2019	921842038191
2020	838203294915