Year	US Dollars adjusted for inflation)
1960	10202243247.2743
1961	10359671884.8964
1962	10831957305.1699
1963	11251766964.446
1964	12130742580.3667
1965	12703067759.1904
1966	12659937587.1629
1967	13244962663.9128
1968	13497867066.9789
1969	14128114602.6041
1970	15098988653.7367
1971	16049108549.3378
1972	16854395152.4747
1973	19205698245.4985
1974	21358370782.4021
1975	23701844116.8743
1976	25455113995.4351
1977	25863628384.4358
1978	27339620380.65209
1979	28360495038.3763
1980	29412295887.74961
1981	31063168090.3808
1982	31254158536.08029
1983	31148873036.3377
1984	31966616073.5339
1985	33224502867.2422
1986	34375659633.56071
1987	34286592743.46329
1988	36306233273.873
1989	36671393361.237
1990	38020869118.8889
1991	39652474795.4838
1992	40490851303.03719
1993	41289824101.18919
1994	43048048229.3022
1995	44017726512.02439
1996	44780002396.82681
1997	46718020342.02169
1998	48244078213.3422
1999	45957605225.5697
2000	46459371078.3637
2001	48325007474.5456
2002	50304775101.152
2003	51674512421.7873
2004	55917517445.67398
2005	58876285668.97472
2006	61468918471.66641
2007	62815127109.24329
2008	66808366776.0763
2009	67186830556.6821
2010	69555367000.00002
2011	75028081292.36409
2012	79261137178.26108
2013	83181798259.0618
2014	86333447251.96539
2015	86418807383.13869
2016	85056519293.31149
2017	87606643822.0677