Year Percent 2000-01-01 0.0131230000000000000 2001-01-01 0.0106819999999999990 2002-01-01 0.0088410000000000000 2003-01-01 0.0077129999999999990 2004-01-01 0.0069050000000000000 2005-01-01 0.0063289999999999996 2006-01-01 0.0057620000000000000 2007-01-01 0.0050140000000000000 2008-01-01 0.0061540000000000000 2009-01-01 0.0042840000000000005 2010-01-01 0.0085650000000000010 2011-01-01 0.0064640000000000000 2012-01-01 0.0060070000000000000 2013-01-01 0.0037570000000000000 2014-01-01 0.0107290000000000000