Year Percent 1996-01-01 0.77289000000000000 1997-01-01 0.62576400000000000 1998-01-01 0.49057200000000000 1999-01-01 0.34426999999999996 2000-01-01 0.33205100000000004 2001-01-01 0.21797600000000003 2002-01-01 0.18032600000000000 2003-01-01 0.62379000000000000 2004-01-01 1.67418000000000000 2005-01-01 1.41807000000000020 2006-01-01 0.75341099999999990 2007-01-01 0.94113300000000000 2008-01-01 0.38478700000000000 2009-01-01 -2.83039000000000000 2010-01-01 -4.44790000000000000 2011-01-01 -1.20648000000000000 2012-01-01 -1.22304000000000000 2013-01-01 -1.44620000000000000 2014-01-01 1.17117000000000000 2015-01-01 0.40054100000000000 2016-01-01 1.48407999999999980