Year	US Dollars adjusted for inflation)
1960	3808.67656
1961	3875.26018
1962	3930.74831
1963	4118.67537
1964	4467.93353
1965	4639.44886
1966	4773.78796
1967	4902.12996
1968	5203.43592
1969	5218.09357
1970	5385.81905
1971	5412.76319
1972	5672.38382
1973	5925.77357
1974	6076.34382
1975	6237.06626
1976	6330.45132
1977	6369.9245
1978	6762.48424
1979	7235.33307
1980	7715.24412
1981	8199.23092
1982	7967.02914
1983	7468.73028
1984	7576.60838
1985	7614.33243
1986	7182.41533
1987	7173.12679
1988	7122.59472
1989	7278.50872
1990	7498.68419
1991	7661.48604
1992	7782.47221
1993	7940.14404
1994	8174.69192
1995	7522.22174
1996	7893.90733
1997	8296.16576
1998	8588.63774
1999	8694.98719
2000	8997.4335
2001	8843.90105
2002	8731.21991
2003	8749.77792
2004	8977.65771
2005	9059.81037
2006	9327.73608
2007	9392.68699
2008	9347.52416
2009	8712.14049
2010	9016.45781
2011	9207.7292
2012	9405.81305
2013	9400.322
2014	9536.60032
2015	9717.89843
2016	9871.67011
2017	9946.15799