Year Percent 1996-01-01 1.97909000000000020 1997-01-01 1.04125000000000000 1998-01-01 1.40532000000000010 1999-01-01 -0.24197399999999997 2000-01-01 0.29582700000000000 2001-01-01 1.12517000000000000 2002-01-01 1.63567000000000020 2003-01-01 0.93890000000000000 2004-01-01 0.84371900000000000 2005-01-01 1.02267000000000000 2006-01-01 0.35456200000000000 2007-01-01 0.65424600000000000 2008-01-01 1.02866000000000010 2009-01-01 1.66497000000000000 2010-01-01 1.83304000000000020 2011-01-01 2.18738000000000000 2012-01-01 2.26652000000000000 2013-01-01 2.34487000000000020 2014-01-01 2.16966000000000000 2015-01-01 2.26093000000000000 2016-01-01 0.38745999999999997