Year Percent 1996-01-01 0.96487300000000000 1997-01-01 1.43886000000000000 1998-01-01 1.59467000000000000 1999-01-01 1.30728000000000000 2000-01-01 1.16486000000000000 2001-01-01 0.10375400000000000 2002-01-01 0.10375400000000000 2003-01-01 1.44381000000000000 2004-01-01 0.80718200000000000 2005-01-01 1.24492999999999990 2006-01-01 1.20299000000000000 2007-01-01 0.86441000000000000 2008-01-01 -0.05752500000000000 2009-01-01 0.26984800000000000 2010-01-01 -0.49900100000000003 2011-01-01 -0.43073500000000003 2012-01-01 0.64957400000000000 2013-01-01 -0.63685200000000010 2014-01-01 0.27728900000000000 2015-01-01 0.51835600000000000 2016-01-01 1.09033999999999990