Year	US Dollars adjusted for inflation)
1961	10710190830.3625
1962	12240744811.365
1963	14170366289.1856
1964	15392944267.209
1965	17646808086.1942
1966	17963567911.7935
1967	18251590539.9317
1968	18871663351.5636
1969	21012421899.0321
1970	22947031720.5629
1971	24620512593.0889
1972	27233211832.4466
1973	30577354078.8796
1974	31315845832.5021
1975	31469942276.2462
1976	36556751553.62099
1977	40843256992.2683
1978	44217220858.7082
1979	49327236778.561
1980	54313303201.44008
1981	59343180295.16558
1982	61093655168.43629
1983	64745231206.5757
1984	71202750581.7166
1985	71741817029.1846
1986	79673717297.4608
1987	90348772837.34259
1988	98038955320.18202
1989	100271347572.76196
1990	104112263787.38098
1991	110048718129.31297
1992	116910184902.72699
1993	124159983389.75801
1994	131654427603.09801
1995	134779624937.554
1996	140519365029.69501
1997	147685446096.19699
1998	138997594871.31299
1999	142481844510.651
2000	153400895123.315
2001	154261275971.07401
2002	156816826142.27399
2003	161609648467.50897
2004	175669728983.79697
2005	188648640222.01999
2006	201915790972.89105
2007	214969310482.25894
2008	219543730106.79001
2009	214145040905.27203
2010	228637697575.04001
2011	239645887720.96103
2012	243720605436.43298
2013	251279572791.24301
2014	258220961506.27487
2015	264386879658.87692
2016	270105365069.12302
2017	280346000937.19708