Year	US Dollars adjusted for inflation)
1961	5924728839.55422
1962	6150936145.40951
1963	6305739744.38351
1964	6552069295.45694
1965	6718292249.06744
1966	7055805105.54451
1967	7510130119.31059
1968	7945799839.58202
1969	8558962883.87864
1970	8888194505.47337
1971	9004354799.63338
1972	8967393731.36131
1973	9600258481.01751
1974	9969468182.14266
1975	10580221048.2913
1976	10933082708.3125
1977	11490734460.8863
1978	12140401840.4073
1979	12917819383.2078
1980	13672998529.5907
1981	14452294467.4602
1982	15050835621.3729
1983	15775381489.2656
1984	16579791311.8948
1985	17408682454.7343
1986	18166925786.6808
1987	18480416200.282
1988	18937378686.5766
1989	19372806102.4613
1990	20612664783.8412
1991	21560844734.6542
1992	22509520016.8052
1993	24062691135.6802
1994	25410182282.8587
1995	26807763966.0357
1996	27826450205.2008
1997	29608845562.5332
1998	30999994386.1666
1999	32333161699.0978
2000	34273162122.7667
2001	33743501887.4934
2002	35081322302.31741
2003	37165247243.0568
2004	39188917729.52409
2005	41634991235.6271
2006	44827683896.16129
2007	47874543623.73959
2008	50723121168.4061
2009	52518167817.08831
2010	56728002830.3556
2011	61495842915.2662
2012	67119379090.74831
2013	69398567132.496
2014	72841226391.29662
2015	76488884324.25258
2016	79907042295.24139
2017	82394195408.63261