Year Percent 1996-01-01 0.09323900000000000 1997-01-01 0.40859400000000000 1998-01-01 0.58248700000000000 1999-01-01 0.53042100000000000 2000-01-01 0.88947400000000000 2001-01-01 0.42391000000000000 2002-01-01 -0.02419400000000000 2003-01-01 0.20592800000000003 2004-01-01 2.02327999999999970 2005-01-01 1.48402000000000010 2006-01-01 1.00456000000000010 2007-01-01 0.80782000000000000 2008-01-01 0.50700600000000010 2009-01-01 0.23456000000000000 2010-01-01 0.30245200000000000 2011-01-01 -1.06625000000000000 2012-01-01 -0.06630100000000000 2013-01-01 -1.25347000000000000 2014-01-01 -0.22177000000000000 2015-01-01 0.19764100000000000 2016-01-01 -0.88388099999999990