Year	US Dollars adjusted for inflation)
1960	36474760531.3476
1961	38395292498.5953
1962	40494171271.43831
1963	41670168443.0056
1964	44421375306.85389
1965	45759563550.84289
1966	48195055977.4305
1967	50214735076.8245
1968	53442259222.5672
1969	56927194244.73229
1970	60887343107.68901
1971	64510884735.07809
1972	69461072435.8766
1973	74134053414.5703
1974	78391217821.86522
1975	80153489288.97449
1976	84014632970.48511
1977	87499571236.78812
1978	94905053698.19949
1979	100013653582.25
1980	104112412294.56799
1981	106468701873.73503
1982	107478536557.19199
1983	109181401022.42801
1984	112844547317.73299
1985	116329485584.03502
1986	123121141111.08801
1987	129734601585.89299
1988	135001594188.30103
1989	139615174653.465
1990	148050777226.67297
1991	151422236156.629
1992	159042828960.52997
1993	162805226557.23804
1994	172306232682.22299
1995	181270356905.60101
1996	184997012079.76099
1997	191342952890.16403
1998	192433194592.78598
1999	184343273758.15497
2000	192491233553.46402
2001	195721040703.73602
2002	200621857329.828
2003	208482767198.07999
2004	219601199179.59201
2005	229936852450.34299
2006	245336908226.29294
2007	262266694764.28903
2008	271568782707.966
2009	276053874889.224
2010	287018184637.52899
2011	305931280966.00293
2012	318302970054.38007
2013	333817265555.82007
2014	348483888774.62299
2015	359119674815.30292
2016	366456704285.59406
2017	372935921852.64093