Year	2010 U.S. Dollars
1970-01-01	1186.00262899294
1971-01-01	1311.12728653574
1972-01-01	1342.36546343629
1973-01-01	1420.32569083490
1974-01-01	1457.12743795962
1975-01-01	1609.99334827647
1976-01-01	1528.02231507092
1977-01-01	1496.02208811344
1978-01-01	1469.29358579524
1979-01-01	1468.91391820653
1980-01-01	1602.42666632642
1981-01-01	1784.10485721832
1982-01-01	1754.30790786156
1983-01-01	1723.93661844400
1984-01-01	1771.87405669667
1985-01-01	1773.57916434321
1986-01-01	1912.02955212031
1987-01-01	2098.52708310325
1988-01-01	2142.10512948308
1989-01-01	2325.06834214689
1990-01-01	2720.02952535501
1991-01-01	2692.12171084386
1992-01-01	2716.37078592712
1993-01-01	2746.21316371564
1994-01-01	2759.14266591056
1995-01-01	2835.03905247619
1996-01-01	2881.07516785941
1997-01-01	2904.69558489327
1998-01-01	2916.38907723734
1999-01-01	2946.11066801898
2000-01-01	2953.23230325430
2001-01-01	2952.50837342500
2002-01-01	3059.01387433500
2003-01-01	3158.82609806071
2004-01-01	3250.39921733781
2005-01-01	3411.67334043328
2006-01-01	3568.85727649788
2007-01-01	3668.48073354962
2008-01-01	3633.31558890759
2009-01-01	3622.11200044610
2010-01-01	3690.23922847955
2011-01-01	3704.14065778865
2012-01-01	3807.74132136395
2013-01-01	3977.97642662230
2014-01-01	3980.77444806893
2015-01-01	3923.88968016935
2016-01-01	3906.26187791264
2017-01-01	3914.01685925031