Year	US Dollars adjusted for inflation)
1961	585.9312
1962	594.16774
1963	595.02032
1964	603.87852
1965	604.66171
1966	619.98081
1967	644.22278
1968	665.61055
1969	700.69466
1970	711.86675
1971	706.34346
1972	689.67882
1973	724.4337
1974	738.3705
1975	769.18191
1976	780.22019
1977	805.05258
1978	835.3463
1979	873.49805
1980	909.3595
1981	946.24006
1982	970.86412
1983	1003.08896
1984	1039.39268
1985	1075.95191
1986	1106.88148
1987	1110.07192
1988	1121.73716
1989	1132.20332
1990	1189.44063
1991	1229.2643
1992	1268.81126
1993	1342.14179
1994	1404.00562
1995	1469.15034
1996	1514.60203
1997	1602.51333
1998	1669.29586
1999	1731.90762
2000	1824.7937
2001	1784.13819
2002	1840.64065
2003	1934.14798
2004	2022.91087
2005	2132.44219
2006	2278.96999
2007	2416.58945
2008	2543.04364
2009	2616.08682
2010	2808.54597
2011	3027.11255
2012	3286.13851
2013	3371.31732
2014	3506.87143
2015	3648.23449
2016	3768.66681
2017	3842.296