Year Percent 2003-01-01 2.76 2004-01-01 2.75 2005-01-01 2.75 2006-01-01 2.52 2007-01-01 1.31 2008-01-01 1.06 2009-01-01 0.95 2010-01-01 1.01 2011-01-01 0.87 2012-01-01 0.96 2013-01-01 1.02 2014-01-01 1.10