Quarter Percent 2005-01-01 2.17913035723458 2005-04-01 2.02603699907285 2005-07-01 1.96567580308733 2005-10-01 1.48326160386057 2006-01-01 1.79062472829904 2006-04-01 1.64341355168610 2006-07-01 1.95773183319845 2006-10-01 1.83226980102121 2007-01-01 2.10417762713758 2007-04-01 1.55598253917274 2007-07-01 1.97083883337035 2007-10-01 2.05733590463504 2008-01-01 2.04094315508569 2008-04-01 1.82020976003598 2008-07-01 2.22956173136984 2008-10-01 2.37347568235992 2009-01-01 2.83604585070568 2009-04-01 3.04951790061038 2009-07-01 3.13047201538296 2009-10-01 2.87851796293806 2010-01-01 2.84078352212351 2010-04-01 3.10708536036432 2010-07-01 3.22912300817799 2010-10-01 3.18096264372823 2011-01-01 2.67456469781793 2011-04-01 2.93814149307944 2011-07-01 2.94111611419709 2011-10-01 2.86540811545088 2012-01-01 2.76169036138563 2012-04-01 2.68494488535218 2012-07-01 2.83747275717308 2012-10-01 2.95735193734430 2013-01-01 2.54646489278703 2013-04-01 2.79331908753055 2013-07-01 2.62056687820173 2013-10-01 2.81171004222702 2014-01-01 2.85359290218065 2014-04-01 2.77433536047793 2014-07-01 2.66495941330874 2014-10-01 2.19398096630516 2015-01-01 2.34446172517137 2015-04-01 2.44683859990168 2015-07-01 2.30655080639758 2015-10-01 2.57859943849017 2016-01-01 2.33563386811853 2016-04-01 2.06884782352799 2016-07-01 2.18326875814603 2016-10-01 1.66453228877692 2017-01-01 2.10170003220855 2017-04-01 1.82882702552890 2017-07-01 1.87817384161842 2017-10-01 1.82944805533865 2018-01-01 1.65483487376302 2018-04-01 1.76859147979623