Year	US Dollars adjusted for inflation)
1960	1353.84563
1961	1411.48665
1962	1454.71008
1963	1512.52828
1964	1545.38739
1965	1616.52915
1966	1695.99267
1967	1716.49143
1968	1808.14399
1969	1851.33463
1970	1915.89868
1971	2058.91688
1972	2200.12674
1973	2400.65661
1974	2539.34683
1975	2498.41633
1976	2718.79948
1977	2855.91711
1978	2968.76608
1979	3165.0098
1980	3317.26306
1981	3463.28747
1982	3583.72004
1983	3718.36474
1984	3908.591
1985	3767.50405
1986	3708.19502
1987	3787.40445
1988	4040.91377
1989	4279.24155
1990	4534.82969
1991	4836.02884
1992	5131.87048
1993	5500.15889
1994	5858.99271
1995	6275.1637
1996	6729.57534
1997	7040.84417
1998	6360.99786
1999	6589.65415
2000	7009.65536
2001	6893.33325
2002	7114.87117
2003	7377.36463
2004	7725.90412
2005	7983.95257
2006	8273.72528
2007	8635.56638
2008	8890.79307
2009	8599.43552
2010	9071.35699
2011	9377.18757
2012	9708.93699
2013	9981.15458
2014	10398.2269
2015	10745.04547
2016	11031.82156
2017	11521.45446