Year	US Dollars adjusted for inflation)
1960	27434399198.56609
1961	23701828112.4837
1962	19036113335.2005
1963	25568113635.8175
1964	27061141389.0302
1965	28740798889.5036
1966	27359811853.98809
1967	29946124625.8101
1968	33179179683.712
1969	35977272901.7645
1970	39165815236.04039
1971	34727655043.5586
1972	44251356563.9066
1973	45938738803.5353
1974	49381809470.86209
1975	51873290453.4046
1976	56223777003.76269
1977	59180352662.86551
1978	64633724928.158
1979	69466922771.17209
1980	70016133106.51639
1981	72116614360.28009
1982	76732080647.51399
1983	80875615322.49139
1984	85404646973.9496
1985	88564616567.79311
1986	88918875921.9762
1987	88296445990.49599
1988	87413476682.8251
1989	91259671545.32768
1990	91989749446.97951
1991	90885871916.03629
1992	92521819701.82529
1993	90578860785.6483
1994	89763654164.5903
1995	93174668346.04738
1996	96994828322.43539
1997	98061771373.70041
1998	103062925254.282
1999	106360940460.508
2000	110423586430.994
2001	113745564598.73
2002	120125920931.173
2003	128777236288.58401
2004	134316749131.75101
2005	142251902308.52802
2006	144648118986.03101
2007	149526919452.577
2008	153055956405.23599
2009	155554202821.62097
2010	161207268655.392
2011	165869166838.53903
2012	171466867482.16299
2013	176212451150.23398
2014	182889354514.36896
2015	189772334940.90802
2016	196034821993.49496
2017	199367413967.44601