Year	US Dollars adjusted for inflation)
1965	5059838759.25667
1966	5234649503.98211
1967	5243127148.24647
1968	5788922453.54199
1969	6063769805.78455
1970	6346925527.45564
1971	7017173396.67458
1972	8262210702.80844
1973	8208122677.09934
1974	8870910716.78077
1975	9505721950.53794
1976	10254473662.1489
1977	10604263588.0956
1978	11287228377.8119
1979	12028519491.407
1980	12920884029.6213
1981	13633350985.0496
1982	13566038004.7506
1983	14201188696.3812
1984	15017592776.3029
1985	15865872502.4452
1986	15636295165.5722
1987	16684141330.1663
1988	16696180452.7036
1989	16987812491.2673
1990	18338312910.4373
1991	19054340645.5219
1992	20541670811.79271
1993	20991498253.4582
1994	21658694425.0384
1995	22168035419.86869
1996	23752181151.3204
1997	25044523892.6925
1998	26242594452.9831
1999	27831487634.4837
2000	29142311722.78889
2001	30248607447.2544
2002	30648664524.242
2003	32089890945.92709
2004	34090950398.21149
2005	35279543593.6845
2006	37129671719.9944
2007	39620931745.1446
2008	41299978412.74281
2009	42556922174.09529
2010	44050929160.26271
2011	43206394578.73409
2012	44933645382.14339
2013	46225723068.3247
2014	47599273438.59159
2015	48148386195.3332
2016	48682059522.1461
2017	49633854967.165