Quarter Percent 2005-01-01 2.71371369626250 2005-04-01 2.77754962592168 2005-07-01 2.56528845931896 2005-10-01 2.26816703229104 2006-01-01 2.63991889940960 2006-04-01 2.34072199263063 2006-07-01 2.75358103550161 2006-10-01 2.61202926282053 2007-01-01 2.77637699906567 2007-04-01 2.39064027126627 2007-07-01 2.63969533372220 2007-10-01 2.61877430296932 2008-01-01 2.92325768312243 2008-04-01 2.43522505789458 2008-07-01 3.05211084939850 2008-10-01 3.40247242227267 2009-01-01 4.04400145669527 2009-04-01 4.28232342879961 2009-07-01 4.60398106661675 2009-10-01 4.47323636294081 2010-01-01 4.43065982890494 2010-04-01 4.18253928739211 2010-07-01 4.23830451325260 2010-10-01 4.54921290570832 2011-01-01 4.25172253027562 2011-04-01 4.07025231520808 2011-07-01 4.24480914738728 2011-10-01 3.96619162249858 2012-01-01 4.05007575156660 2012-04-01 3.73252906287870 2012-07-01 3.85275042990252 2012-10-01 4.01440794178579 2013-01-01 3.90835398408920 2013-04-01 4.10503751279635 2013-07-01 3.98463085975198 2013-10-01 3.74065677731619 2014-01-01 3.82866895619628 2014-04-01 3.81965843378020 2014-07-01 4.20630561293950 2014-10-01 3.46923618442820 2015-01-01 3.36544861686588 2015-04-01 3.26330219176990 2015-07-01 3.67459785339248 2015-10-01 3.30517695245025 2016-01-01 3.22659861885433 2016-04-01 3.09651177639026 2016-07-01 3.20752594229335 2016-10-01 2.84725427816289 2017-01-01 2.67302292178793 2017-04-01 2.63095494646277 2017-07-01 2.68897715715131 2017-10-01 2.56270473041968 2018-01-01 2.43206388448046 2018-04-01 2.60962475072310 2018-07-01 2.53618834920871