Year	US Dollars adjusted for inflation)
1960	4364226422.9649
1961	4024923752.18984
1962	4405575230.51634
1963	4792311612.73305
1964	5030224355.08443
1965	5131286299.38207
1966	5887051209.2518
1967	6084928660.25219
1968	6570669650.06736
1969	7093643995.78389
1970	6763403165.32304
1971	8263112873.85727
1972	9674653292.23215
1973	10245126984.0973
1974	10661654644.0086
1975	10755712100.1532
1976	10987386320.2341
1977	12026111611.8784
1978	12857415800.9653
1979	13836537077.3165
1980	14610272938.4967
1981	15161598045.0813
1982	15390004222.6613
1983	15591467110.1385
1984	15865131187.8141
1985	16547420962.2911
1986	17735121267.6206
1987	18788074472.9767
1988	19953533268.7522
1989	20889423570.6202
1990	21765118854.9204
1991	22078176743.546
1992	21901663054.0192
1993	21979019127.026
1994	22557679339.9403
1995	23551619534.8549
1996	24528267341.78009
1997	24644752554.4477
1998	25455617585.0165
1999	26042468489.8422
2000	26198643973.2382
2001	27188928218.7225
2002	27337613463.7899
2003	28139282293.5283
2004	29575595616.5174
2005	31322527291.25311
2006	33349876084.3647
2007	35634585973.7449
2008	35717358968.4514
2009	36898510533.1698
2010	40000088346.80409
2011	42443399231.1785
2012	44380180300.2798
2013	46989153289.47761
2014	49506417104.2448
2015	52337445096.8196
2016	55409230681.8492
2017	58116217883.78641