Year Percent 1996-01-01 1.6816200000000001 1997-01-01 1.6221500000000000 1998-01-01 0.9506600000000001 1999-01-01 1.0775600000000000 2000-01-01 1.2199200000000001 2001-01-01 1.0106300000000000 2002-01-01 1.0708900000000000 2003-01-01 1.1046300000000000 2004-01-01 1.3945800000000000 2005-01-01 1.4203299999999999 2006-01-01 1.4963200000000000 2007-01-01 1.4668200000000000 2008-01-01 1.0692000000000000 2009-01-01 1.0552900000000000 2010-01-01 1.0091600000000000 2011-01-01 0.9664190000000000 2012-01-01 0.9861500000000000 2013-01-01 0.9006069999999999 2014-01-01 0.9645299999999999 2015-01-01 1.1216500000000000 2016-01-01 1.0585600000000000