Year	2010 U.S. Dollars
1981-01-01	2541.89061479919
1982-01-01	2416.83731496162
1983-01-01	2346.00015623573
1984-01-01	2454.13577131512
1985-01-01	2352.13842278398
1986-01-01	2459.76888995472
1987-01-01	2333.55673781166
1988-01-01	2324.72363766099
1989-01-01	2408.25320928772
1990-01-01	2473.94175237821
1991-01-01	2437.22941636534
1992-01-01	2521.50407881425
1993-01-01	2550.15997867756
1994-01-01	2628.47851569086
1995-01-01	2685.53612026316
1996-01-01	2724.37818999283
1997-01-01	2653.61054257770
1998-01-01	2672.90157291319
1999-01-01	2769.23842711263
2000-01-01	2720.32480627217
2001-01-01	2721.25278657825
2002-01-01	2743.84031142984
2003-01-01	2772.11896566512
2004-01-01	2850.07686204222
2005-01-01	2883.34155015992
2006-01-01	2916.79088329787
2007-01-01	2915.66898947727
2008-01-01	2932.39728424921
2009-01-01	2854.36579813932
2010-01-01	2896.75004435587
2011-01-01	2977.09839497909
2012-01-01	2992.00967844028
2013-01-01	3037.26934456814
2014-01-01	3116.11011296050
2015-01-01	3177.99676560140
2016-01-01	3203.18440587590
2017-01-01	3266.95733123384