Quarter Percent 2005-01-01 9.08474057200000 2005-04-01 7.42601845166667 2005-07-01 9.78996428133333 2005-10-01 7.17303448100000 2006-01-01 8.02315911100000 2006-04-01 7.40637137633333 2006-07-01 9.14534816766667 2006-10-01 8.00631540833334 2007-01-01 9.26136209500000 2007-04-01 7.54378525800000 2007-07-01 9.31506538466667 2007-10-01 7.73483301266667 2008-01-01 8.96957416633333 2008-04-01 8.57845729433334 2008-07-01 9.73112251066667 2008-10-01 8.46415049366667 2009-01-01 10.57530233533330 2009-04-01 10.71795363333330 2009-07-01 13.93513124666670 2009-10-01 10.79216504666670 2010-01-01 10.70160889333330 2010-04-01 10.09957931333330 2010-07-01 12.26840477333330 2010-10-01 9.62252314166667 2011-01-01 10.47372880933330 2011-04-01 10.60892597333330 2011-07-01 12.98227193333330 2011-10-01 10.30595059600000 2012-01-01 10.77362934600000 2012-04-01 10.14747122866670 2012-07-01 11.38276945333330 2012-10-01 10.34307971100000 2013-01-01 10.78254792633330 2013-04-01 10.86212179433330 2013-07-01 11.83891226000000 2013-10-01 10.17145795766670 2014-01-01 11.05880254333330 2014-04-01 10.22904284200000 2014-07-01 11.66444183666670 2014-10-01 10.02578028733330 2015-01-01 9.40486758700000 2015-04-01 10.55718856266670 2015-07-01 11.49839765666670 2015-10-01 9.33271615733333 2016-01-01 8.99133587233333 2016-04-01 8.89586509833333 2016-07-01 9.64555208100000 2016-10-01 7.52082553066667 2017-01-01 7.68885583100000 2017-04-01 7.79895246266667 2017-07-01 8.61161433466667 2017-10-01 7.78904771433333 2018-01-01 7.44953971633333 2018-04-01 7.01503244933333 2018-07-01 8.64573780900000