Year Percent 1997-01-01 2.40810000000000000 1998-01-01 -0.12461900000000001 1999-01-01 -0.38415200000000000 2000-01-01 -0.03517600000000000 2001-01-01 -0.24018899999999999 2002-01-01 -0.05462900000000000 2003-01-01 -0.02033800000000000 2004-01-01 -0.02033800000000000 2005-01-01 1.35655000000000000 2006-01-01 1.35655000000000000 2007-01-01 0.17088599999999998 2008-01-01 0.17088599999999998 2009-01-01 0.17088599999999998 2010-01-01 0.17088599999999998 2011-01-01 0.17088599999999998 2012-01-01 0.17088599999999998 2013-01-01 0.17088599999999998 2014-01-01 0.17088599999999998 2015-01-01 -0.03101900000000000