Year	current US$
1960	7721288719.807334
1961	7788984528.918556
1962	8547268387.4655905
1963	9113115735.629341
1964	8279632183.908047
1965	8657600000
1966	9059711111.11111
1967	9453244444.444447
1968	10762844444.444447
1969	11321933333.333334
1970	12332644444.444445
1971	13811545454.545454
1972	15461022727.272726
1973	17845953488.372093
1974	22616906976.744186
1975	29143162790.697674
1976	35916976744.18605
1977	45143790697.67442
1978	51602511627.90698
1979	54933186046.51163
1980	62359627906.976746
1981	71653930232.55814
1982	78562767441.86046
1983	72014000000
1984	51463667458.432274
1985	54429240000
1986	59166841237.113434
1987	46220986206.896545
1988	62320710344.82758
1989	36638078308.91181
1990	37974370001.77712
1991	49074581610.20678
1992	59958542530.148476
1993	58227004127.84799
1994	51689692929.29293
1995	70926401205.01529
1996	57896663072.13036
1997	79594717239.09949
1998	92942847141.33473
1999	94295738165.00888
2000	103520905436.03352
2001	118818105229.7646
2002	81475637005.77138
2003	69296606030.4012
2004	93301768595.22916
2005	117589486302.18925
2006	157108771774.56918
2007	216399387051.70007
2008	284944694115.45276
2009	337629622307.1902
2010	350240334480.4919
2011	284049388245.1682
2012	373895152355.8623
2013	388619990501.20593
2014	553281375513.1918