Quarter Percent 2005-01-01 3.56936560103575 2005-04-01 5.20671988561897 2005-07-01 4.68292304409397 2005-10-01 3.54736965071454 2006-01-01 3.92851580750661 2006-04-01 4.11293339371148 2006-07-01 4.05627062387836 2006-10-01 3.20626288800890 2007-01-01 3.30702881262617 2007-04-01 3.44534391440667 2007-07-01 4.67124354165192 2007-10-01 3.81187246785274 2008-01-01 2.85101572630249 2008-04-01 4.22773485156568 2008-07-01 4.06766929571025 2008-10-01 3.83681244543218 2009-01-01 4.87685196910219 2009-04-01 7.06013328591530 2009-07-01 6.65373574365738 2009-10-01 4.75753237051793 2010-01-01 4.62142218585693 2010-04-01 4.61479198767334 2010-07-01 5.03890384872874 2010-10-01 3.57788425673543 2011-01-01 3.79849023467928 2011-04-01 3.51928868492758 2011-07-01 3.80884683163772 2011-10-01 3.93726725866514 2012-01-01 3.04105922952321 2012-04-01 4.04444684640155 2012-07-01 3.63709079697899 2012-10-01 3.10622169901595 2013-01-01 3.12854718872741 2013-04-01 3.23874606383692 2013-07-01 2.98534418122475 2013-10-01 2.47688524590779 2014-01-01 3.04958253155764 2014-04-01 4.31075707990406 2014-07-01 4.21945175316351 2014-10-01 3.63802104181046 2015-01-01 2.80897357496070 2015-04-01 3.13932836865009 2015-07-01 3.96327276492880 2015-10-01 2.97641153962147 2016-01-01 3.59799164861288 2016-04-01 4.00522740109278 2016-07-01 3.77328174479352 2016-10-01 3.72290435303194 2017-01-01 3.77766656737351 2017-04-01 4.53618471921789 2017-07-01 3.81427984301680 2017-10-01 3.92916215895094 2018-01-01 3.50800998424279 2018-04-01 4.12636312386015 2018-07-01 4.83763298375741