Year	US Dollars adjusted for inflation)
1960	23618995883.4352
1961	25244550244.321
1962	26213668655.8927
1963	28622806236.0031
1964	31330336374.9836
1965	33581013458.6323
1966	37605204223.6525
1967	41033630578.3172
1968	46445403832.4967
1969	53199139145.77171
1970	58517673375.3668
1971	64635516637.96281
1972	69257418077.41968
1973	79526599374.94638
1974	87050510310.442
1975	93895737335.6595
1976	106210312431.61
1977	119250454777.03999
1978	132099084736.87799
1979	143493466175.228
1980	141052245512.996
1981	151180517291.04202
1982	163675619193.10501
1983	185349648504.70703
1984	204705547544.63602
1985	220569502820.353
1986	245326414436.608
1987	275911911222.67804
1988	308758447867.36993
1989	330463271401.76794
1990	362885781978.63196
1991	400458799319.41296
1992	425189155243.53796
1993	454300767866.05499
1994	496124339459.59607
1995	543606435992.56378
1996	584890676184.04199
1997	619528986792.21899
1998	585633197556.18396
1999	651860239208.82996
2000	710035024103.39893
2001	742166287073.08704
2002	797327303663.04211
2003	820714650870.49902
2004	860928359316.67993
2005	894708410715.35107
2006	941019894278.93506
2007	992431541242.20093
2008	1020509644387.28027
2009	1027729851625.47998
2010	1094499338702.72009
2011	1134795395744.68994
2012	1160809420956.15991
2013	1194428840692.65991
2014	1234340056450.31006
2015	1268781059130.95972
2016	1305947523530.32983
2017	1345945672416.93994