Year	US Dollars adjusted for inflation)
1960	4950872798.26151
1961	5009475329.58656
1962	5161841479.88163
1963	5355025994.71733
1964	5544977318.49971
1965	5657321537.44254
1966	5918404415.7153
1967	5272584243.96726
1968	5607199515.6448
1969	5882035251.69771
1970	6063911795.34387
1971	6274918208.08218
1972	6442699687.69336
1973	6787750116.44827
1974	7516365015.46137
1975	8361584679.17134
1976	7902104028.88936
1977	8987842970.07563
1978	10965438501.2527
1979	11627215738.8128
1980	11398707036.5802
1981	13345911940.1056
1982	14349017721.0806
1983	15334340455.8889
1984	16480516857.2576
1985	17809367575.8183
1986	19015357944.8201
1987	18607164723.2004
1988	17151408634.2632
1989	16839403841.6107
1990	15811240757.6391
1991	15209053941.3669
1992	14737572780.8536
1993	13568578696.4012
1994	13856766548.5278
1995	14337567546.2407
1996	14962841271.4924
1997	15745595485.5359
1998	16454508051.9274
1999	17160738325.7736
2000	17770523602.1425
2001	18546755043.3587
2002	19332618830.0545
2003	20215577280.1935
2004	21586386665.2998
2005	22022574644.1204
2006	22784042334.906
2007	23900962052.9678
2008	24734819036.7304
2009	25278654623.56941
2010	26143818509.6421
2011	27223369236.2615
2012	28460199046.8585
2013	29998263824.8652
2014	31763379465.29439
2015	33558475339.5266
2016	35051979601.39469
2017	36165610684.419