Year	US Dollars adjusted for inflation)
1960	1508.44269
1961	1482.51983
1962	1400.83957
1963	1401.46217
1964	1523.54145
1965	1722.08031
1966	1576.2662
1967	1649.19771
1968	1618.48133
1969	1560.80535
1970	1582.77318
1971	1528.73609
1972	1612.68811
1973	1542.14233
1974	1584.67268
1975	1495.65805
1976	1534.84991
1977	1415.59827
1978	1375.87752
1979	1289.66047
1980	1284.25129
1981	1317.60386
1982	1237.59119
1983	1173.09858
1984	1131.45991
1985	1113.95656
1986	1088.30907
1987	1084.89525
1988	1120.50951
1989	1078.70477
1990	1044.97061
1991	1017.65597
1992	974.89386
1993	1015.11139
1994	903.89152
1995	905.55464
1996	935.52994
1997	943.85547
1998	913.41236
1999	928.86358
2000	938.35116
2001	961.49993
2002	978.05343
2003	1018.36197
2004	1061.19773
2005	1107.72817
2006	1163.30273
2007	1226.54055
2008	1285.86453
2009	1365.40234
2010	1463.21357
2011	1499.72831
2012	1565.90033
2013	1595.91504
2014	1620.82329
2015	1618.45767
2016	1629.5903
2017	1646.14384