Year	US Dollars adjusted for inflation)
1960	9321521196.31941
1961	9323608409.26751
1962	9968414449.92661
1963	9684616513.60073
1964	9576105313.26003
1965	10225085063.6265
1966	9859523192.05264
1967	9999930816.36486
1968	10196251540.5041
1969	10337913211.4384
1970	10950442293.1335
1971	11196533126.8699
1972	10628758445.743
1973	10695952951.8466
1974	11920135693.7704
1975	13793202216.7589
1976	16091869674.9345
1977	17093404114.2742
1978	16079596585.8733
1979	15272626059.4999
1980	15505428248.4298
1981	16658654344.3839
1982	17651287989.0814
1983	18015346102.8651
1984	17112974212.4823
1985	16038100844.4314
1986	16906373314.0355
1987	19310609152.6946
1988	19246673305.7173
1989	20965669470.294
1990	19818836075.7381
1991	21307411140.4784
1992	22708983110.0303
1993	23746499591.8242
1994	23985443577.336
1995	25423872772.0788
1996	26928743519.7469
1997	29774232838.9614
1998	31057056882.6533
1999	32021097643.6716
2000	34053114158.2253
2001	36266689312.98151
2002	38597648770.08631
2003	41583019314.8311
2004	43197815735.7573
2005	46433219017.4981
2006	51106401194.5342
2007	56994834761.46209
2008	61441550872.0498
2009	63433392297.3437
2010	65634109236.7736
2011	64342607849.35101
2012	64678192682.9882
2013	67520612416.92459
2014	69329767682.0853
2015	72731117403.9639
2016	76149479952.50749
2017	79411016248.06403