Year Percent 1994-01-01 2.4161400000000000 1995-01-01 1.2738700000000000 1996-01-01 1.0390600000000000 1997-01-01 1.1232300000000000 1998-01-01 1.1282100000000000 1999-01-01 1.0575200000000000 2000-01-01 1.0732100000000000 2001-01-01 1.0808600000000000 2002-01-01 1.0469800000000000 2003-01-01 1.0312600000000000 2004-01-01 1.0215900000000000 2005-01-01 1.0519000000000000 2006-01-01 1.0541700000000000 2007-01-01 1.0400500000000000 2008-01-01 1.0617800000000000 2009-01-01 1.0108300000000000 2010-01-01 0.9945350000000001 2011-01-01 1.0105700000000000 2012-01-01 1.0656500000000000 2013-01-01 1.1486700000000000 2014-01-01 1.1469500000000000 2015-01-01 1.1170200000000001 2016-01-01 1.0748200000000000