Year	US Dollars adjusted for inflation)
1960	3651568049.64216
1961	3726375268.63736
1962	3811003848.33107
1963	3775584316.6825
1964	3925192556.84327
1965	3907440721.85032
1966	3988111883.32035
1967	4208597265.39408
1968	4495993370.4132
1969	4663299272.37588
1970	4909356186.80499
1971	5102262712.08589
1972	5037330218.25147
1973	4905428818.09139
1974	5003874857.50605
1975	5066858211.73784
1976	4911363508.33335
1977	5027468159.29592
1978	4893646711.95061
1979	5375898481.85328
1980	5419215903.00879
1981	4893617620.98775
1982	4805033640.52864
1983	4848380152.64701
1984	4931029463.22785
1985	4988026106.75789
1986	5085746813.92281
1987	5145661260.66408
1988	5320789571.26692
1989	5537818872.77088
1990	5711154233.15068
1991	5350806992.567
1992	5414275712.05954
1993	5527789241.14197
1994	5523830887.64384
1995	5618410647.91236
1996	5739145519.79672
1997	5951120435.23127
1998	6185138512.86326
1999	6473311272.40879
2000	6781445103.03066
2001	7189540561.32302
2002	6278353422.6091
2003	6892683532.63525
2004	7255032154.37267
2005	7588974026.87796
2006	7970138367.75655
2007	8467521105.2625
2008	9071129493.65325
2009	8707027002.4923
2010	8729936135.74487
2011	8856903643.14915
2012	9125047117.67409
2013	9330835548.94675
2014	9640232448.08499
2015	9940681351.04808
2016	10356200860.8807
2017	10788136744.3288