Year	US Dollars adjusted for inflation)
1960	4289508128.40817
1961	4715565889.2015
1962	4773425622.81366
1963	5465111982.50678
1964	6427686955.99594
1965	6227808113.90386
1966	6948823859.88542
1967	7268341328.22222
1968	8180390870.092
1969	8960736251.5164
1970	9890415491.01544
1971	10825716247.2043
1972	11284361249.4947
1973	11954561754.7569
1974	12471881171.7129
1975	13501171352.8644
1976	15245036303.5783
1977	16360128257.2038
1978	18144928866.1124
1979	18579392397.29029
1980	16543518824.5293
1981	17122624520.2341
1982	17157010577.4578
1983	16487845912.2365
1984	16042466089.2755
1985	16764573290.7621
1986	17310989203.6653
1987	17250578540.9893
1988	17446628599.7222
1989	17960956073.5723
1990	17764120445.2383
1991	17771390441.5049
1992	17727928620.2484
1993	17693804999.1077
1994	17837338328.0312
1995	19108381522.8738
1996	20585330895.8407
1997	21355953697.801
1998	22408947356.0759
1999	22771418229.2731
2000	22300414201.6886
2001	22327480641.4857
2002	21955138165.96989
2003	21656650171.2742
2004	21923410906.13169
2005	22300767039.1796
2006	22638811513.3749
2007	23038394863.9785
2008	23624224724.04019
2009	24392355457.33841
2010	24884505034.5564
2011	23792758395.8868
2012	26340131049.779
2013	28681616270.2215
2014	31203899801.8261
2015	33963218673.85889
2016	36796468786.8278
2017	39665491528.8538