Year Percent 1993-01-01 0.118737000000000000 1994-01-01 0.111682999999999990 1995-01-01 0.051770000000000004 1996-01-01 0.056032000000000005 1997-01-01 0.048592000000000000 1998-01-01 0.048832000000000000 1999-01-01 0.145589000000000000 2000-01-01 0.095946000000000000 2001-01-01 0.137124000000000000 2002-01-01 0.125979000000000000 2003-01-01 0.073708000000000010 2004-01-01 0.097997000000000000 2005-01-01 0.081158000000000010 2006-01-01 0.072299000000000000 2007-01-01 0.078783000000000000 2008-01-01 0.126502000000000000 2009-01-01 0.148558000000000000 2010-01-01 0.091413000000000000 2011-01-01 0.087451000000000000 2012-01-01 0.088617000000000000 2013-01-01 0.095758000000000010 2014-01-01 0.095358000000000000 2015-01-01 0.095561000000000010