Year	US Dollars adjusted for inflation)
1960	1025.5166
1961	1067.96408
1962	1074.59759
1963	1095.93344
1964	1112.28945
1965	1150.01693
1966	1142.13258
1967	1213.86067
1968	1235.71835
1969	1260.74162
1970	1297.65524
1971	1336.43441
1972	1391.37279
1973	1457.97542
1974	1542.7911
1975	1608.67648
1976	1687.05747
1977	1833.68252
1978	2001.44041
1979	2179.77837
1980	2369.12264
1981	2514.57588
1982	2409.27496
1983	2269.19332
1984	2266.43201
1985	2301.80056
1986	2348.3288
1987	2456.37516
1988	2530.75091
1989	2634.00273
1990	2671.1241
1991	2694.3207
1992	2672.44972
1993	2736.96752
1994	2814.7662
1995	2937.57638
1996	2916.51675
1997	2973.31447
1998	2911.63313
1999	2812.38283
2000	2692.50494
2001	2618.72528
2002	2569.69185
2003	2633.23561
2004	2694.05949
2005	2707.97467
2006	2796.03149
2007	2906.4357
2008	3049.87398
2009	2890.34347
2010	3225.59175
2011	3320.79055
2012	3235.72314
2013	3640.52202
2014	3761.91185
2015	3822.86292
2016	3925.56336
2017	3905.92997