Month Percent 2002-04-01 0.10000 2002-05-01 0.08000 2002-06-01 0.09000 2002-07-01 0.09000 2002-08-01 0.07000 2002-09-01 0.08000 2002-10-01 0.08000 2002-11-01 0.08000 2002-12-01 0.10000 2003-01-01 0.10000 2003-02-01 0.09000 2003-03-01 0.08000 2003-04-01 0.08000 2003-05-01 0.08000 2003-06-01 0.09000 2003-07-01 0.09000 2003-08-01 0.09000 2003-09-01 0.09000 2003-10-01 0.09000 2003-11-01 0.08000 2003-12-01 0.10000 2004-01-01 0.09000 2004-02-01 0.09000 2004-03-01 0.08000 2004-04-01 0.08000 2004-05-01 0.08000 2004-06-01 0.09000 2004-07-01 0.09000 2004-08-01 0.09000 2004-09-01 0.09000 2004-10-01 0.09000 2004-11-01 0.09000 2004-12-01 0.10000 2005-01-01 0.10000 2005-02-01 0.10000 2005-03-01 0.08000 2005-04-01 0.08000 2005-05-01 0.08000 2005-06-01 0.09000 2005-07-01 0.09000 2005-08-01 0.09000 2005-09-01 0.09000 2005-10-01 0.09000 2005-11-01 0.09000 2005-12-01 0.10000 2006-01-01 0.10360 2006-02-01 0.11000 2006-03-01 0.12550 2006-04-01 0.14000 2006-05-01 0.27000 2006-06-01 0.35000 2006-07-01 0.44000 2006-08-01 0.43200 2006-09-01 0.43600 2006-10-01 0.44700 2006-11-01 0.50200 2006-12-01 0.54000 2007-01-01 0.54000 2007-02-01 0.66000 2007-03-01 0.66000 2007-04-01 0.65000 2007-05-01 0.67000 2007-06-01 0.73000 2007-07-01 0.77000 2007-08-01 0.84000 2007-09-01 0.85000 2007-10-01 0.85000 2007-11-01 0.87000 2007-12-01 0.86000 2008-01-01 0.85000 2008-02-01 0.85000 2008-03-01 0.84000 2008-04-01 0.84000 2008-05-01 0.84000 2008-06-01 0.86000 2008-07-01 0.85000 2008-08-01 0.85000 2008-09-01 0.87000 2008-10-01 0.89000 2008-11-01 0.88000 2008-12-01 0.74000 2009-01-01 0.72000 2009-02-01 0.71000 2009-03-01 0.65000 2009-04-01 0.60000 2009-05-01 0.57000 2009-06-01 0.56000 2009-07-01 0.55000 2009-08-01 0.54000 2009-09-01 0.54000 2009-10-01 0.53000 2009-11-01 0.51000 2009-12-01 0.46000 2010-01-01 0.45000 2010-02-01 0.44000 2010-03-01 0.43000 2010-04-01 0.40000 2010-05-01 0.39000 2010-06-01 0.38000 2010-07-01 0.37000 2010-08-01 0.36000 2010-09-01 0.36000 2010-10-01 0.34000 2010-11-01 0.34000 2010-12-01 0.34000 2011-01-01 0.34000 2011-02-01 0.34000 2011-03-01 0.33615 2011-04-01 0.33286 2011-05-01 0.33214 2011-06-01 0.33214 2011-07-01 0.33214 2011-08-01 0.32857 2011-09-01 0.32929 2011-10-01 0.32929 2011-11-01 0.32929 2011-12-01 0.32929 2012-01-01 0.33077 2012-02-01 0.33167 2012-03-01 0.33167 2012-04-01 0.33167 2012-05-01 0.33167 2012-06-01 0.33455 2012-07-01 0.32727 2012-08-01 0.32727 2012-09-01 0.32727 2012-10-01 0.32636 2012-11-01 0.31818 2012-12-01 0.30818 2013-01-01 0.29182 2013-02-01 0.26909 2013-03-01 0.25000 2013-04-01 0.22818 2013-05-01 0.22818 2013-06-01 0.22818 2013-07-01 0.22800 2013-08-01 0.22800 2013-09-01 0.22800 2013-10-01 0.22100 2013-11-01 0.22000 2013-12-01 0.22000 2014-01-01 0.22000 2014-02-01 0.21200 2014-03-01 0.21200 2014-04-01 0.21200 2014-05-01 0.21000 2014-06-01 0.21000 2014-07-01 0.21000 2014-08-01 0.21000 2014-09-01 0.21000 2014-10-01 0.19200 2014-11-01 0.18200 2014-12-01 0.17900 2015-01-01 0.17300 2015-02-01 0.17100 2015-03-01 0.17000 2015-04-01 0.17000 2015-05-01 0.16900 2015-06-01 0.16900 2015-07-01 0.16900 2015-08-01 0.16900 2015-09-01 0.16900 2015-10-01 0.16900 2015-11-01 0.16900 2015-12-01 0.16900 2016-01-01 0.16900 2016-02-01 0.09800 2016-03-01 0.09800 2016-04-01 0.06000 2016-05-01 0.06000 2016-06-01 0.05900 2016-07-01 0.05800 2016-08-01 0.05800 2016-09-01 0.05600 2016-10-01 0.05600 2016-11-01 0.05600 2016-12-01 0.05600 2017-01-01 0.05600 2017-02-01 0.05600 2017-03-01 0.05600 2017-04-01 0.05600 2017-05-01 0.05600 2017-06-01 0.05600 2017-07-01 0.07500 2017-08-01 0.05600 2017-09-01 0.05600 2017-10-01 0.06300 2017-11-01 0.06300 2017-12-01 0.06300 2018-01-01 0.06800 2018-02-01 0.06800 2018-03-01 0.09700 2018-04-01 0.09700 2018-05-01 0.07800 2018-06-01 0.07800 2018-07-01 0.09100 2018-08-01 0.09100 2018-09-01 0.05000