Year	US Dollars adjusted for inflation)
1960	205010514.04699
1961	218014912.60605
1962	232549242.61405
1963	246318588.1406
1964	263147815.32201
1965	278447111.05449
1966	296111848.94455
1967	313655172.93338
1968	346799292.27596
1969	399247152.76905
1970	467599333.99052
1971	588338659.37597
1972	743436149.33159
1973	901811720.83596
1974	981151269.27547
1975	1064021762.04802
1976	1177312167.33862
1977	1318731376.88286
1978	1507742528.60751
1979	1690911970.42458
1980	1893599920.75956
1981	2065252054.53488
1982	2316500951.15227
1983	2621045054.62282
1984	2845023409.90628
1985	3047739045.53683
1986	3296828451.58564
1987	3688555238.94084
1988	4405978108.23722
1989	4981372672.72979
1990	5318752174.48613
1991	5715462427.58618
1992	5882186484.96478
1993	5994895480.29139
1994	6212385253.8594
1995	6649141424.18378
1996	7036773076.14529
1997	7601583116.97878
1998	7656466026.76487
1999	8396635029.8643
2000	8563534596.26097
2001	8584992576.02696
2002	9106061350.41439
2003	9527298168.17184
2004	9785089872.92033
2005	10230961745.6804
2006	11086666195.2035
2007	12004283368.7509
2008	12754003367.4123
2009	11778027466.4962
2010	12786654365.8738
2011	13560031674.6853
2012	14164289360.2583
2013	15771004794.7832
2014	16425383650.6027
2015	16146492036.747
2016	16843294912.9068
2017	17240661435.0594