Quarter Percent 2005-01-01 7.61261724266667 2005-04-01 6.61891207133333 2005-07-01 7.86368835600000 2005-10-01 6.11387058900000 2006-01-01 7.16225497600000 2006-04-01 6.17154673066667 2006-07-01 7.91822950933333 2006-10-01 7.24515367300000 2007-01-01 8.02869972200000 2007-04-01 6.58917911500000 2007-07-01 7.92596306133333 2007-10-01 6.92415737966667 2008-01-01 7.80568438900000 2008-04-01 7.14819917600000 2008-07-01 8.39187322833333 2008-10-01 8.32842744033334 2009-01-01 9.58371345900000 2009-04-01 10.23694233333330 2009-07-01 11.88327199000000 2009-10-01 9.67193589766667 2010-01-01 9.82399706566667 2010-04-01 9.37531188433334 2010-07-01 10.89996057000000 2010-10-01 9.59427956000000 2011-01-01 9.72227186233334 2011-04-01 9.84788537066667 2011-07-01 11.18541766666670 2011-10-01 9.08227836766667 2012-01-01 9.64355653100000 2012-04-01 9.32149522400000 2012-07-01 10.07927643600000 2012-10-01 8.99955903766666 2013-01-01 9.54612596533333 2013-04-01 9.31882619633333 2013-07-01 10.25071113466670 2013-10-01 8.77243753633333 2014-01-01 9.49948905100000 2014-04-01 9.61426484633333 2014-07-01 10.16038942566670 2014-10-01 8.65486227466667 2015-01-01 8.45359667266667 2015-04-01 9.05140965400000 2015-07-01 9.14371331633333 2015-10-01 8.01678775500000 2016-01-01 8.08933785600000 2016-04-01 7.92450485233333 2016-07-01 7.86264539933333 2016-10-01 6.91529174300000 2017-01-01 6.58433796733333 2017-04-01 6.84347838066667 2017-07-01 7.33792535566667 2017-10-01 6.69484945633333 2018-01-01 6.69613884933333 2018-04-01 6.96975107200000 2018-07-01 7.37257209633333