Quarter Percent 2006-01-01 10.58335418033520 2006-04-01 7.71244257561890 2006-07-01 8.24765445976912 2006-10-01 8.45836724583319 2007-01-01 9.92867567332635 2007-04-01 8.02658993947812 2007-07-01 8.40549614682491 2007-10-01 9.18784361230548 2008-01-01 10.52482218388370 2008-04-01 8.11313372682488 2008-07-01 9.04073565719891 2008-10-01 11.23548010753600 2009-01-01 14.21942154315870 2009-04-01 12.21758520518800 2009-07-01 12.12357299583430 2009-10-01 11.76179324731830 2010-01-01 12.98087545724600 2010-04-01 9.87925056387524 2010-07-01 10.12964268832290 2010-10-01 9.74832459926626 2011-01-01 10.36433395444650 2011-04-01 8.53914507529698 2011-07-01 8.25394133349064 2011-10-01 8.10162918752698 2012-01-01 9.34456732431351 2012-04-01 7.29555505034578 2012-07-01 7.72037425062569 2012-10-01 8.30592969925494 2013-01-01 9.37924567310532 2013-04-01 7.97799659102114 2013-07-01 8.72752459373747 2013-10-01 8.87536665819040 2014-01-01 10.13182444018650 2014-04-01 8.75213181493096 2014-07-01 9.99616900175131 2014-10-01 10.65255902452840 2015-01-01 11.18233939776990 2015-04-01 9.30650148575717 2015-07-01 10.05830517458420 2015-10-01 10.43272717505170 2016-01-01 10.83556897690660 2016-04-01 9.37089409530252 2016-07-01 11.19773737373740 2016-10-01 11.94826150322720 2017-01-01 12.57609517044990 2017-04-01 10.09861932938860 2017-07-01 10.42692020879940 2017-10-01 10.23047451747050 2018-01-01 10.59167484072490 2018-04-01 9.64577977753866