Year Percent 1995-01-01 0.76231300000000000 1996-01-01 0.76231300000000000 1997-01-01 -1.08693000000000000 1998-01-01 -1.08693000000000000 1999-01-01 2.37859000000000000 2000-01-01 0.21665300000000000 2001-01-01 0.21665300000000000 2002-01-01 0.21665300000000000 2003-01-01 0.21665300000000000 2004-01-01 0.21665300000000000 2005-01-01 0.20669400000000002 2006-01-01 2.50198000000000000 2007-01-01 2.14152000000000000 2008-01-01 0.21943300000000000 2009-01-01 4.00634000000000000 2010-01-01 4.00634000000000000 2011-01-01 1.72505999999999980 2012-01-01 0.44109200000000000 2013-01-01 0.44109200000000000 2014-01-01 2.57645000000000000 2015-01-01 3.58239000000000000