Year	2010 U.S. Dollars
1994-01-01	698.564294274650
1995-01-01	866.940672136616
1996-01-01	1665.595365648400
1997-01-01	2255.057369348540
1998-01-01	2608.198841433620
1999-01-01	2852.021041218620
2000-01-01	3002.820841056550
2001-01-01	3131.139401701300
2002-01-01	3293.140248724330
2003-01-01	3421.748430670420
2004-01-01	3628.516439970360
2005-01-01	3946.056678805250
2006-01-01	4160.563102534830
2007-01-01	4405.285058719390
2008-01-01	4664.091803270940
2009-01-01	4545.227665963440
2010-01-01	4614.829041140500
2011-01-01	4700.887836996320
2012-01-01	4714.227205749680
2013-01-01	4882.803666877680
2014-01-01	4992.948867211420
2015-01-01	5190.293776711290
2016-01-01	5382.624146420850
2017-01-01	5561.287951428050