Year	US Dollars adjusted for inflation)
1960	3807870321.26476
1961	3771469348.8088
1962	4078780740.38324
1963	4273938634.69123
1964	4451266576.04089
1965	4888809044.52522
1966	5273592933.71863
1967	5571557575.38891
1968	6038733666.80149
1969	6375557914.28155
1970	6853924590.64312
1971	7318518240.15286
1972	7917029965.57059
1973	8527347139.78665
1974	9000180011.87148
1975	9189190185.77411
1976	9696209672.89476
1977	10559606183.9198
1978	11221449229.9072
1979	11775690516.4046
1980	11864231392.5021
1981	11595903349.5718
1982	10751075826.9902
1983	11058878343.4145
1984	11744717197.7513
1985	11867028123.5274
1986	12553529707.4498
1987	13416640068.1709
1988	13929074274.6323
1989	14634675609.3045
1990	15206147661.4354
1991	15597237610.6431
1992	17031647015.2191
1993	18238767992.4086
1994	19057190297.2429
1995	19842631676.589
1996	20088247004.41821
1997	21206146968.6809
1998	22682455321.1957
1999	23576904804.5616
2000	24457392097.2728
2001	25311069892.2127
2002	26144247844.52909
2003	27256810103.39569
2004	28438822146.2599
2005	29539652853.0961
2006	31677653998.3812
2007	34265051943.7813
2008	35858239193.4497
2009	35510217657.949
2010	37268635287.08559
2011	38873833296.16701
2012	40738579948.667
2013	41662949490.2612
2014	43127543220.55529
2015	44693802321.5472
2016	46551438317.26019
2017	48037268859.2239