Year	current US$
1960	4808568231.314916
1961	4953440471.153826
1962	5433674994.158719
1963	5809533288.628574
1964	4990919540.229885
1965	5333044444.444445
1966	5612600000
1967	5849133333.333334
1968	6279222222.222222
1969	6515755555.555556
1970	6687800000.000001
1971	7389613636.363636
1972	8313318181.818181
1973	9654372093.023256
1974	12152372093.023256
1975	15302976744.186047
1976	18386069767.44186
1977	21761720930.23256
1978	25790023255.813953
1979	30200860465.11628
1980	36772139534.88372
1981	43658488372.093025
1982	47776790697.674416
1983	53132837209.30232
1984	35350774346.793335
1985	37071613333.333336
1986	40356309278.35053
1987	30054855172.41379
1988	39891241379.31034
1989	27260212346.86522
1990	29208840234.58324
1991	34419927848.65816
1992	40720814038.70691
1993	42368864874.62666
1994	39601171043.77104
1995	52026817396.879944
1996	43173853822.19027
1997	44225544034.683304
1998	52637652644.71518
1999	56249208799.37266
2000	60621662826.311966
2001	67488727415.412384
2002	49737388233.26729
2003	45809060553.202095
2004	55344494889.94263
2005	68027682258.64338
2006	86226651141.12717
2007	117778001397.29857
2008	162720879418.0733
2009	207372593024.3402
2010	219774405475.4263
2011	174577590515.935
2012	225999167230.08417
2013	241487514289.4902
2014	363166412431.1766