Year Percent 1992-01-01 0.09441200000000000 1993-01-01 0.07054900000000000 1994-01-01 0.10435100000000000 1995-01-01 0.08967500000000000 1996-01-01 0.07747899999999999 1997-01-01 0.09014700000000000 1998-01-01 0.12014500000000000 1999-01-01 0.11284000000000001 2000-01-01 0.10999800000000000 2001-01-01 0.16675500000000000 2002-01-01 0.14576900000000000 2003-01-01 0.12641300000000000 2004-01-01 0.14243100000000000 2005-01-01 0.11775000000000000 2006-01-01 0.13941900000000002 2007-01-01 0.09244200000000000 2008-01-01 0.08841100000000000 2009-01-01 0.12185700000000000 2010-01-01 0.10596800000000000 2011-01-01 0.08737000000000000 2012-01-01 0.08720200000000000 2013-01-01 0.08526600000000000 2014-01-01 0.09341400000000000 2015-01-01 0.11926800000000001