Year	US Dollars adjusted for inflation)
1960	1095.99041
1961	1085.56596
1962	1116.59199
1963	1124.71531
1964	1152.70101
1965	1221.53172
1966	1250.50375
1967	1287.08677
1968	1332.19498
1969	1301.88629
1970	1309.79988
1971	1322.46881
1972	1357.91458
1973	1421.91692
1974	1363.02377
1975	1350.56433
1976	1447.44517
1977	1549.29353
1978	1652.42985
1979	1676.86399
1980	1636.84734
1981	1627.58039
1982	1556.62524
1983	1496.0645
1984	1514.663
1985	1531.54411
1986	1497.50065
1987	1541.79714
1988	1566.46316
1989	1587.45606
1990	1543.71916
1991	1548.72145
1992	1589.72824
1993	1641.54508
1994	1575.26974
1995	1594.35708
1996	1606.97984
1997	1642.1616
1998	1645.28816
1999	1572.25422
2000	1620.05611
2001	1622.20814
2002	1641.3972
2003	1674.39548
2004	1736.69288
2005	1799.49033
2006	1874.95345
2007	1947.95743
2008	1987.91408
2009	1900.38257
2010	1932.85829
2011	1969.31041
2012	2013.47831
2013	2033.31619
2014	2059.47491
2015	2102.37696
2016	2144.86937
2017	2210.58728