Quarter Percent 1998-01-01 3.02238066943949 1998-04-01 2.35190517181672 1998-07-01 2.40358017861377 1998-10-01 2.46660220612901 1999-01-01 2.45550688607395 1999-04-01 2.32782749241140 1999-07-01 2.20422542141051 1999-10-01 2.18600172915193 2000-01-01 2.30010307760271 2000-04-01 1.95111429215730 2000-07-01 2.08178365892808 2000-10-01 1.95672551163881 2001-01-01 2.14881834490289 2001-04-01 1.98459456038017 2001-07-01 2.05957215303010 2001-10-01 2.13720776954988 2002-01-01 2.26660250240616 2002-04-01 2.33825394994810 2002-07-01 2.62562115078375 2002-10-01 3.15458622407911 2003-01-01 3.29748211429611 2003-04-01 3.18868881805041 2003-07-01 3.18322684317251 2003-10-01 3.35826955965108 2004-01-01 3.27607291626858 2004-04-01 3.26458512365129 2004-07-01 3.51653803222698 2004-10-01 3.64868212917612 2005-01-01 3.87207473428340 2005-04-01 3.73949339584882 2005-07-01 4.00860755636807 2005-10-01 4.15338806495496 2006-01-01 4.02092746730083 2006-04-01 3.79078877310413 2006-07-01 3.91007307038132 2006-10-01 4.26650970265446 2007-01-01 4.38609818630709 2007-04-01 4.10526016113573 2007-07-01 4.12948862612719 2007-10-01 4.09816648505235 2008-01-01 3.96963061961498 2008-04-01 3.79852379643930 2008-07-01 4.00560595443268 2008-10-01 4.06140857334860 2009-01-01 4.59513211478360 2009-04-01 4.70374368005454 2009-07-01 5.07395175866082 2009-10-01 5.21647027671124 2010-01-01 5.50797331188189 2010-04-01 5.48804724320027 2010-07-01 5.65205873448380 2010-10-01 5.72625566242044 2011-01-01 6.37512074092312 2011-04-01 6.24058511998939 2011-07-01 6.39215314632297 2011-10-01 7.07580268922225 2012-01-01 7.57024353626438 2012-04-01 7.64108856737912 2012-07-01 8.06397867377541 2012-10-01 8.54016546570590 2013-01-01 8.85331091666348 2013-04-01 8.28471969856359 2013-07-01 7.85059078113330 2013-10-01 7.74807257105596 2014-01-01 7.57336972189656 2014-04-01 7.01290204643197 2014-07-01 6.63590652513148 2014-10-01 6.73527652925404