Year Percent 1996-01-01 0.91682700000000010 1997-01-01 0.82440800000000000 1998-01-01 1.11045000000000000 1999-01-01 1.13652999999999980 2000-01-01 1.24084000000000000 2001-01-01 1.15912000000000020 2002-01-01 0.72472300000000000 2003-01-01 0.69063700000000000 2004-01-01 0.47562200000000004 2005-01-01 0.52858300000000000 2006-01-01 0.00738800000000000 2007-01-01 0.26483400000000000 2008-01-01 1.00281000000000000 2009-01-01 1.06612000000000020 2010-01-01 0.46498000000000000 2011-01-01 0.40931900000000000 2012-01-01 0.52305700000000000 2013-01-01 0.52305700000000000 2014-01-01 0.99134200000000010 2015-01-01 0.89960000000000000 2016-01-01 1.11952000000000000