Year Percent 1996-01-01 -0.98748799999999990 1997-01-01 0.76087500000000000 1998-01-01 0.42010299999999995 1999-01-01 0.82926900000000000 2000-01-01 1.51709000000000000 2001-01-01 0.82822600000000000 2002-01-01 1.52177000000000000 2003-01-01 1.42321000000000000 2004-01-01 1.36482000000000010 2005-01-01 1.29682000000000000 2006-01-01 1.31518999999999990 2007-01-01 1.31966000000000000 2008-01-01 1.29191000000000010 2009-01-01 0.90522800000000000 2010-01-01 0.90017400000000000 2011-01-01 0.94596399999999990 2012-01-01 0.72490600000000000 2013-01-01 0.14272500000000000 2014-01-01 0.37128099999999997 2015-01-01 -0.55255000000000000 2016-01-01 1.31806000000000000