Year	US Dollars adjusted for inflation)
1960	4527.25163
1961	4579.63509
1962	4735.47422
1963	4950.75772
1964	5202.43015
1965	5374.41975
1966	5463.8686
1967	5701.41305
1968	5779.80997
1969	5889.6783
1970	6030.65644
1971	6116.41386
1972	6046.31933
1973	6149.2021
1974	6348.5832
1975	6285.58049
1976	6261.70614
1977	6098.73877
1978	6126.98899
1979	6201.68239
1980	6447.09434
1981	6620.85084
1982	6427.62301
1983	6150.04154
1984	6305.91611
1985	6084.2528
1986	5951.19904
1987	5948.61829
1988	6070.9012
1989	6085.94932
1990	5934.22412
1991	5739.73331
1992	5485.44113
1993	5423.58795
1994	5474.19693
1995	5528.16947
1996	5657.32791
1997	5706.1748
1998	5643.26149
1999	5688.30851
2000	5837.88518
2001	5912.67012
2002	6045.96319
2003	6142.94031
2004	6343.02975
2005	6599.35652
2006	6892.36241
2007	7185.753
2008	7337.84017
2009	7145.78412
2010	7275.38211
2011	7416.71388
2012	7475.78082
2013	7551.96339
2014	7582.55273
2015	7575.17477
2016	7519.5056
2017	7524.51118