Year	US Dollars adjusted for inflation)
1970	56783205329.1825
1971	58932709859.5516
1972	61949538903.84421
1973	66781775491.7111
1974	70784301146.58841
1975	69558541501.54321
1976	70204609771.4731
1977	67441119126.19291
1978	67655628452.93081
1979	69138507929.5312
1980	70026441755.19612
1981	73285936451.0117
1982	73967582611.47508
1983	76550662969.15021
1984	80219743300.26468
1985	81515020561.95502
1986	83720654290.5367
1987	80111367501.2317
1988	81716823756.5551
1989	82146589689.69748
1990	82680246951.2715
1991	81322186452.6675
1992	82352129931.123
1993	87732052549.435
1994	92308499652.3367
1995	96533659742.14209
1996	99775216339.3875
1997	102776851345.619
1998	103872567756.09201
1999	109267438705.81601
2000	111769050448.33998
2001	116013643412.21297
2002	121884620353.02899
2003	127418511260.43903
2004	131584625304.26604
2005	135951795046.86203
2006	139449716342.03003
2007	144693608697.76001
2008	142457330738.47
2009	145186905291.59198
2010	146583831538.33099
2011	150535436255.41904
2012	154297943910.04599
2013	157411691834.19101
2014	162991922799.55096
2015	170219465391.41901
2016	176128560656.59399
2017	181462890712.78693