Quarter Percent 2005-01-01 10.45723576047640 2005-04-01 10.64396222624070 2005-07-01 10.20683661109720 2005-10-01 8.73728524291728 2006-01-01 10.56694877032870 2006-04-01 11.25497532412850 2006-07-01 9.72321954533532 2006-10-01 7.13037854545149 2007-01-01 8.74219190137225 2007-04-01 8.24158619221183 2007-07-01 9.29419206012576 2007-10-01 9.08189624527005 2008-01-01 9.77418778313946 2008-04-01 10.47928200225150 2008-07-01 9.78640473963206 2008-10-01 8.86379218117847 2009-01-01 11.10863396072420 2009-04-01 11.59693026862030 2009-07-01 11.41711432246350 2009-10-01 9.64936352692799 2010-01-01 11.14143800267400 2010-04-01 10.36076531382530 2010-07-01 9.34476464776704 2010-10-01 8.84836436641342 2011-01-01 9.20529106771806 2011-04-01 9.07123893663263 2011-07-01 9.06615854047774 2011-10-01 8.42239923369716 2012-01-01 8.85494552446059 2012-04-01 7.95785641363436 2012-07-01 8.21345779307056 2012-10-01 7.50411214454716 2013-01-01 7.74815357084054 2013-04-01 7.32956613539307 2013-07-01 6.66329433795870 2013-10-01 6.76629294221587 2014-01-01 7.35943560357687 2014-04-01 6.96478903361870 2014-07-01 7.30200857793316 2014-10-01 6.85817173811617 2015-01-01 7.41867575859545 2015-04-01 7.59056663481730 2015-07-01 7.16710366586320 2015-10-01 5.99166835077317 2016-01-01 7.51292181594978 2016-04-01 7.56104046242653 2016-07-01 7.48242127949316 2016-10-01 6.61498868456140 2017-01-01 7.82603514987089 2017-04-01 7.89825768917322 2017-07-01 7.20685406720310 2017-10-01 7.10322782747650 2018-01-01 8.23891146771347 2018-04-01 8.22878816540042 2018-07-01 7.80679242472577