Year Percent 1994-01-01 0.30780799999999997 1995-01-01 0.38759899999999997 1996-01-01 0.49451700000000000 1997-01-01 0.56145600000000010 1998-01-01 0.64514300000000000 1999-01-01 0.66286400000000000 2000-01-01 0.55914500000000000 2001-01-01 0.58660000000000000 2002-01-01 0.74877200000000000 2003-01-01 0.75651899999999990 2004-01-01 0.72563100000000000 2005-01-01 0.68850800000000000 2006-01-01 0.74976300000000000 2007-01-01 0.75156000000000000 2008-01-01 0.94744900000000000 2009-01-01 0.97008100000000000 2010-01-01 0.86401500000000000 2011-01-01 0.87445599999999990 2012-01-01 1.03136000000000000 2013-01-01 1.27487000000000020 2014-01-01 1.10753000000000000 2015-01-01 1.15820000000000000 2016-01-01 1.23362000000000020