Year	US Dollars adjusted for inflation)
1960	1527.67075
1961	1590.79274
1962	1723.94582
1963	1839.74795
1964	1984.40669
1965	2099.62203
1966	2105.0362
1967	2185.27883
1968	2148.97592
1969	2214.95125
1970	2177.57649
1971	2181.70789
1972	2162.70638
1973	2231.70259
1974	2471.0542
1975	2392.37104
1976	2440.71873
1977	2565.23219
1978	2293.71987
1979	1637.10551
1980	1663.83075
1981	1704.41925
1982	1644.81374
1983	1675.61911
1984	1607.76344
1985	1504.78478
1986	1455.02358
1987	1412.73786
1988	1210.20315
1989	1164.19159
1990	1138.04747
1991	1111.1488
1992	1091.10155
1993	1063.43461
1994	1076.04254
1995	1117.04727
1996	1165.53837
1997	1190.0349
1998	1213.17243
1999	1277.53416
2000	1309.5256
2001	1328.75009
2002	1320.39296
2003	1335.81694
2004	1388.54326
2005	1429.26457
2006	1464.35052
2007	1518.6532
2008	1550.50129
2009	1480.37653
2010	1526.49794
2011	1603.33429
2012	1687.35868
2013	1750.05743
2014	1812.99474
2015	1878.20077
2016	1944.00098
2017	2016.31995