Year 2010 U.S. Dollars 2002-01-01 364.570572951991 2003-01-01 376.758714204473 2004-01-01 364.095436021804 2005-01-01 389.416357791097 2006-01-01 397.985904741902 2007-01-01 440.368155343632 2008-01-01 444.950137932355 2009-01-01 524.823533211573 2010-01-01 553.300289383064 2011-01-01 569.233387721432 2012-01-01 630.427412567377 2013-01-01 633.658411271767 2014-01-01 630.320014012209 2015-01-01 620.056524980920 2016-01-01 617.889972323552 2017-01-01 618.332789965442