Year Percent 1996-01-01 -0.6255470000000001 1997-01-01 0.9843690000000000 1998-01-01 0.1930000000000000 1999-01-01 1.5487300000000000 2000-01-01 0.9434899999999999 2001-01-01 0.9615160000000000 2002-01-01 1.9522800000000000 2003-01-01 2.0326600000000000 2004-01-01 1.7533599999999998 2005-01-01 1.9672900000000002 2006-01-01 2.2258100000000000 2007-01-01 2.6653400000000000 2008-01-01 0.7962580000000000 2009-01-01 1.7459799999999999 2010-01-01 1.5881600000000000 2011-01-01 1.3280900000000000 2012-01-01 0.9824100000000000 2013-01-01 0.9097840000000000 2014-01-01 1.0592000000000000 2015-01-01 0.9238620000000001 2016-01-01 1.4314700000000000