Year Percent 1990-01-01 0.62317600000000010 1991-01-01 0.69479499999999990 1992-01-01 0.72060600000000010 1993-01-01 0.83478000000000000 1994-01-01 0.85959599999999990 1995-01-01 0.77440500000000000 1996-01-01 0.72857500000000000 1997-01-01 0.71432000000000000 1998-01-01 0.95293300000000000 1999-01-01 0.84527600000000000 2000-01-01 0.49578500000000003 2001-01-01 0.85529300000000010 2002-01-01 1.07030000000000000 2003-01-01 1.05339000000000000 2004-01-01 0.91850900000000000 2005-01-01 0.83621000000000000 2006-01-01 0.82575000000000000 2007-01-01 0.82558000000000000 2008-01-01 0.71387800000000000 2009-01-01 1.06135000000000000 2010-01-01 0.93403400000000000 2011-01-01 0.84779300000000000 2012-01-01 0.83447399999999990 2013-01-01 0.88519400000000000 2014-01-01 0.84288999999999990 2015-01-01 0.97081900000000010 2016-01-01 0.93988200000000000