Year	US Dollars adjusted for inflation)
1960	8504063017.13305
1961	8829767195.35142
1962	8949735270.63142
1963	9257526380.66555
1964	9985707558.64394
1965	9912319238.15026
1966	10021939984.2351
1967	10043660616.0983
1968	10463874563.2557
1969	11507421908.8175
1970	12026066098.5417
1971	12346829649.5882
1972	13161497303.9828
1973	14255570044.7156
1974	14856081310.7072
1975	13879833077.9928
1976	14231594121.2261
1977	14454998303.395
1978	15044035418.1097
1979	15396909640.0985
1980	15526379547.476
1981	15440836958.4821
1982	15615518611.081
1983	16082278502.7553
1984	17077279261.346
1985	17554026770.28749
1986	19306609310.5888
1987	20069409192.2146
1988	21767940116.2612
1989	23900776308.0084
1990	25172281398.4933
1991	27348221249.0549
1992	27845863937.75809
1993	29015570718.3576
1994	30124232789.131
1995	30555672134.7507
1996	30979915749.8571
1997	32748781294.1936
1998	34728330983.336
1999	37673641715.0206
2000	40777874110.48679
2001	41810359657.13599
2002	43407293716.2571
2003	44114523131.6617
2004	45708017660.4699
2005	47158078345.0882
2006	49600152813.82109
2007	53744023972.42479
2008	53056323195.6279
2009	50743806576.0564
2010	53212476812.29569
2011	54563666562.4044
2012	54371319074.1956
2013	56358248456.40831
2014	59611199149.6447
2015	61317077715.6898
2016	63207264513.49421
2017	64659730352.9251