Year	US Dollars adjusted for inflation)
1960	17038278408.6099
1961	17788028365.1548
1962	19007686513.0155
1963	20728937458.9471
1964	22416744290.81829
1965	23569156837.4072
1966	23818207483.14929
1967	23967296975.06269
1968	24619546311.3682
1969	26296754952.9519
1970	27768982733.97
1971	28724497087.8388
1972	29307287698.32669
1973	29513973077.345
1974	30247543950.9857
1975	32951416416.3002
1976	37771312183.5335
1977	42619992153.9048
1978	45083309016.9239
1979	47805821098.73209
1980	52591819148.26191
1981	54567220520.88541
1982	59973288441.08559
1983	64411992915.9174
1984	68335660987.62629
1985	72847205717.15729
1986	74775169522.9359
1987	76659063543.5379
1988	80722556274.1682
1989	84736384579.79227
1990	89567840760.6468
1991	90534132004.97632
1992	94546599458.8784
1993	97289194505.77861
1994	101154661853.79701
1995	105850733344.84001
1996	111131341206.463
1997	117233700753.71901
1998	121965690626.02701
1999	129412261131.64301
2000	136359108297.002
2001	141179746359.35403
2002	144526355905.341
2003	149140048724.194
2004	155239787829.625
2005	162192916084.42902
2006	173309468988.76797
2007	185597580010.74402
2008	198881943532.621
2009	208177377018.70801
2010	218888324504.75302
2011	222783648066.58203
2012	227719662137.556
2013	232696398050.99393
2014	239481619965.763
2015	249951802078.73401
2016	260816315725.83005
2017	271721622290.24802