Year	US Dollars adjusted for inflation)
1960	2687564644.52438
1961	2738850526.03803
1962	2791171336.32931
1963	2844067149.31039
1964	3058295044.15399
1965	3021497974.07339
1966	3234230863.99325
1967	3183405006.88147
1968	3204908381.29249
1969	3347956954.26606
1970	3434200061.79961
1971	3393148207.76815
1972	3498939794.92215
1973	3482266077.79119
1974	3702818546.87338
1975	3756749014.38762
1976	3921990978.97092
1977	4040316405.15103
1978	4218322297.28413
1979	4318249197.47917
1980	4218091975.91136
1981	4569964117.509
1982	4742680183.0763
1983	4601471345.50053
1984	5046945769.07202
1985	5357075804.00319
1986	5601661164.65663
1987	5696643954.4877
1988	6135103742.63928
1989	6400732135.07479
1990	6697408396.01345
1991	7123909435.79394
1992	7416446123.91876
1993	7701968176.62366
1994	8334762090.68654
1995	8623849303.39981
1996	9083352501.06642
1997	9541935774.11546
1998	9829757721.15507
1999	10263502982.96
2000	10899840166.6306
2001	11423006623.1921
2002	11436744718.846
2003	11887928617.3548
2004	12444593148.5962
2005	12877563074.7127
2006	13310843466.2677
2007	13764950914.3225
2008	14605251495.759
2009	15267319043.3731
2010	16002656434.4746
2011	16550239851.6396
2012	17341538638.0319
2013	18057549555.5864
2014	19139013428.60129
2015	19774984746.8631
2016	19856634052.5358
2017	21345762921.1014