Year	US Dollars adjusted for inflation)
1960	91836703339.52289
1961	96922600975.73822
1962	99489765786.60889
1963	103606918511.13597
1964	109952172697.41502
1965	113778700633.42099
1966	120199075025.32501
1967	123814720654.54602
1968	129352102232.948
1969	137470068345.60699
1970	146159747322.54901
1971	153635772670.608
1972	163173267863.47195
1973	171153151159.323
1974	177900244807.952
1975	177253158036.87701
1976	185368597102.92401
1977	194785286243.43399
1978	194374964316
1979	204787047701.60696
1980	208332905591.18597
1981	208032292628.47202
1982	212216351195.67999
1983	218525730110.72998
1984	218637779730.79196
1985	224100834862.97894
1986	229258275343.49301
1987	232369695258.04099
1988	240028322052.06201
1989	249358402441.892
1990	260194624813.07297
1991	269149554294.00198
1992	274784266755.54205
1993	276231856329.00995
1994	282867273580.38898
1995	290414126234.63501
1996	297237508056.37
1997	303460462050.85406
1998	314328689139.02094
1999	325507255365.78198
2000	336495475309.68799
2001	340759446602.41107
2002	346387257223.22406
2003	349648400806.14697
2004	359211698966.039
2005	367272649488.20282
2006	379958397501.95697
2007	394121024471.14496
2008	399876867204.146
2009	384823180705.02283
2010	391892746544.68994
2011	403346978477.77893
2012	406091530301.53406
2013	406195100294.01398
2014	409561376690.27594
2015	414033189912.92096
2016	420040461384.70087
2017	432789834749.33508