Year Percent 1996-01-01 -0.13777200000000000 1997-01-01 0.27112400000000000 1998-01-01 0.21721400000000000 1999-01-01 0.71181300000000000 2000-01-01 0.91135800000000000 2001-01-01 0.56668000000000010 2002-01-01 0.63172000000000000 2003-01-01 0.61738000000000000 2004-01-01 0.64499700000000000 2005-01-01 0.86241900000000000 2006-01-01 0.57896200000000000 2007-01-01 0.06416300000000000 2008-01-01 -1.65567999999999980 2009-01-01 -0.21610000000000000 2010-01-01 0.29322100000000000 2011-01-01 0.43886400000000003 2012-01-01 -0.26317900000000000 2013-01-01 0.33711199999999997 2014-01-01 0.36287900000000000 2015-01-01 0.65293600000000000 2016-01-01 0.17066600000000000