Year	US Dollars adjusted for inflation)
1960	4818838337.92097
1961	4919069386.41404
1962	5193072636.16593
1963	5526504333.00168
1964	5791475875.63924
1965	6117247421.40646
1966	6514703077.07345
1967	6964795309.05929
1968	6117247421.40646
1969	6306638235.98099
1970	6275431642.47645
1971	6593177851.70962
1972	7118488339.85736
1973	7527029870.88225
1974	7748292041.93555
1975	8314771040.57519
1976	8698461748.9123
1977	9130881078.73599
1978	9318310167.16051
1979	9330735578.5044
1980	9202739037.66105
1981	9228103327.03293
1982	8864632532.69628
1983	8506313289.60133
1984	8489243522.35103
1985	8346930939.40081
1986	8132091172.24541
1987	8332423560.8537
1988	8574855634.64984
1989	8899853814.56578
1990	9312431983.67648
1991	9802873772.42119
1992	9964277788.39403
1993	10389682071.8569
1994	10874596631.4455
1995	11383339904.468
1996	11879806409.1738
1997	12468356816.9483
1998	13095434411.9384
1999	13151337456.4676
2000	13481147690.5693
2001	13708143381.9739
2002	14048868175.0683
2003	14429780856.7853
2004	15031978081.3865
2005	15696607186.4403
2006	16449574872.6896
2007	17200396431.0132
2008	18257962323.1053
2009	18870882348.149
2010	19649631308.1648
2011	20672216340.1924
2012	21731104039.6498
2013	23207952413.94
2014	24475238843.5128
2015	25664047181.8707
2016	26758341469.4947
2017	27880909289.02439