Year	US Dollars adjusted for inflation)
1960	6155115789.88339
1961	6419694571.43974
1962	6646727151.07954
1963	7280894308.42143
1964	7618217590.74399
1965	7950506667.98152
1966	8388746863.18835
1967	8733706866.28546
1968	9499306671.73649
1969	9949280185.86123
1970	10517173517.8082
1971	11104426672.6136
1972	11918720012.6939
1973	12727147045.6199
1974	13538506475.7042
1975	13802506109.9098
1976	14822133898.8246
1977	15979627045.2158
1978	16778079443.1725
1979	17568906850.0262
1980	18229493911.2302
1981	18347412962.2718
1982	17699732953.9192
1983	17244479636.9404
1984	17330132579.0527
1985	17224533330.5055
1986	17249172956.218
1987	17860480765.99699
1988	18555679808.2647
1989	19287254095.5048
1990	19885653339.5948
1991	20613120003.6292
1992	21610452588.2997
1993	22459123585.4225
1994	23365066568.9271
1995	24521297988.1245
1996	25246584010.8922
1997	26348367641.8996
1998	27664080711.0876
1999	28728335092.2478
2000	29765102998.3889
2001	30459396099.68331
2002	31637147197.0331
2003	32437816938.1086
2004	33460283473.32381
2005	34551125869.8223
2006	36409899312.9025
2007	38705199942.4988
2008	39975176494.0918
2009	40185315839.15009
2010	41338595380.81591
2011	43059085363.7286
2012	44337951141.19839
2013	45977203823.063
2014	47896476507.9282
2015	49879411881.39749
2016	51421926687.8027
2017	52841341285.6064