Year	US Dollars adjusted for inflation)
1960	29375692257.1695
1961	30916527184.3872
1962	32161438540.171
1963	34039711620.9842
1964	34910182119.1023
1965	35241923981.3184
1966	39201792004.96449
1967	40619328747.03181
1968	42078380449.811
1969	43735420036.097
1970	44535326423.21741
1971	48731750485.56819
1972	48234712071.0831
1973	45808868607.7393
1974	46900104265.4055
1975	40844315409.0887
1976	42409708109.933
1977	46839269114.69939
1978	50446409757.0584
1979	54693142233.5659
1980	59061276084.07981
1981	62915243091.1445
1982	55985566287.3175
1983	53176534993.465
1984	55358731548.5091
1985	57578570293.99059
1986	60674968647.9445
1987	64594855902.1142
1988	69339419416.1774
1989	76220235503.4875
1990	78761086957.45828
1991	84907911073.8978
1992	94389329346.47002
1993	100608438212.43401
1994	105669241836.513
1995	115108987852.776
1996	122939756290.64398
1997	132071585918.00201
1998	137783126643.784
1999	137215327660.06699
2000	144524703666.117
2001	149298423006.47195
2002	153937081014.42801
2003	160234720403.16998
2004	171786906198.96298
2005	181652337025.04199
2006	193127635486.362
2007	202601172713.02399
2008	209752043005.20398
2009	206471018816.03696
2010	218537551220.07098
2011	231892203586.311
2012	244225687257.03
2013	254104626803.63205
2014	258593994337.71695
2015	264555250851.64191
2016	267904170064.21198
2017	271895690380.202