Quarter Percent 2005-01-01 6.97387493324705 2005-04-01 8.08989409479247 2005-07-01 7.79257587419133 2005-10-01 6.18429222124250 2006-01-01 5.84559738949244 2006-04-01 6.17770657141356 2006-07-01 5.58986614924714 2006-10-01 4.28067648615461 2007-01-01 4.36093685348219 2007-04-01 4.80198548401889 2007-07-01 5.44794855504572 2007-10-01 4.72088564089577 2008-01-01 4.55677997575885 2008-04-01 5.54481032616261 2008-07-01 5.06504021185907 2008-10-01 5.00025994307756 2009-01-01 6.42618696249555 2009-04-01 8.24081403375074 2009-07-01 7.73918254896933 2009-10-01 6.41900662184499 2010-01-01 6.03640887625044 2010-04-01 5.87030733707552 2010-07-01 5.75794633083166 2010-10-01 4.72087125898884 2011-01-01 4.75626902715458 2011-04-01 4.56597067756138 2011-07-01 5.14149063371861 2011-10-01 3.94348752253077 2012-01-01 3.85481695869461 2012-04-01 4.47722274540801 2012-07-01 4.16083674097714 2012-10-01 3.77197448102023 2013-01-01 4.01203374211383 2013-04-01 4.27728139797800 2013-07-01 4.15223046142789 2013-10-01 3.70603630226071 2014-01-01 4.60567284823297 2014-04-01 5.07974047917055 2014-07-01 5.19972777652342 2014-10-01 4.52054001792866 2015-01-01 4.30411980898533 2015-04-01 4.64869800767651 2015-07-01 5.02539770812143 2015-10-01 4.60986317932818 2016-01-01 4.56364680199242 2016-04-01 5.39691629420693 2016-07-01 5.41147805016735 2016-10-01 4.82072386735678 2017-01-01 4.90146736501391 2017-04-01 5.59949105962556 2017-07-01 5.47119194677127 2017-10-01 4.82122447800229 2018-01-01 5.23293430439662 2018-04-01 5.40648445115098 2018-07-01 5.52366474470338