Year	US Dollars adjusted for inflation)
1960	39913314954.7692
1961	42122478411.4579
1962	44908647744.8968
1963	47546447937.8289
1964	50546984156.57288
1965	54322332605.4598
1966	56537548131.53639
1967	60803013572.61681
1968	66199590656.6631
1969	67603512624.5934
1970	76130076823.25902
1971	81178758746.04239
1972	87685801521.51169
1973	97507199678.61089
1974	98621570813.4454
1975	94333868880.64241
1976	100843123709.83899
1977	106492957787.608
1978	109491763347.506
1979	115665935345.76199
1980	120974238499.68301
1981	122931726853.33002
1982	125556780626.32303
1983	125339425355.53
1984	122983069756.687
1985	126435745247.23798
1986	131671393389.22198
1987	140073863577.62698
1988	150564146545.715
1989	160261439641.58203
1990	166592605206.496
1991	173869714053.48502
1992	175763983787.00299
1993	172172638671.91599
1994	173833825991.55096
1995	181278747098.81198
1996	187617490093.367
1997	195921834865.78897
1998	205309962792.89999
1999	213292852267.38095
2000	221371306250.71695
2001	225673226409.82797
2002	227408192515.552
2003	225283733440.93298
2004	229364935350.67203
2005	231123669975.01505
2006	234713145002.76999
2007	240562202318.31393
2008	241041576028.50897
2009	233863105282.20999
2010	238303443425.20993
2011	233949991367.37198
2012	224525885052.57895
2013	221988392688.77893
2014	223971165762.16293
2015	228052070073.72699
2016	231745178666.33701
2017	237955548774.29202