Year	current US$
1960	14252469000
1961	15171143000
1962	14914234000
1963	16694145000
1964	20085266000
1965	21141336000
1966	22990399000
1967	24693795000
1968	27295977000
1969	28068428636
1970	31036997455
1971	32694566545
1972	37141815000
1973	55123318000
1974	87754454182
1975	82211467727
1976	98186996182
1977	117922854182
1978	136593158182
1979	186793134925.1
1980	218772484779.27002
1981	264956467380.62796
1982	253833584091.69403
1983	251788951404.37604
1984	271518483806.933
1985	266706175449.442
1986	233466101613.207
1987	275613894951.44904
1988	313884946876.366
1989	351010024906.814
1990	402966349198.771
1991	429684965093.7039
1992	528799649053.61206
1993	564126861417.7941
1994	687377132646.6578
1995	835263696334.521
1996	905357943324.3088
1997	989249294571.1119
1998	945598755112.418
1999	1023029796329.55
2000	1270566212204
2001	1224198221317
2002	1346164511913
2003	1622511231462
2004	2052011520679
2005	2542971699474
2006	3097839417876
2007	3711378495400
2008	4562255218456
2009	3503865496517
2010	4599317629008
2011	5669688884641
2012	5913223728221
2013	6037192141207
2014	6104613028265
2015	5378659242103
2016	5087503797384
2017	5700625135226
2018	6358155669246
2019	6279540261769
2020	5972025021781