Quarter Percent 1999-01-01 2.20374617737003 1999-04-01 2.16146880324699 1999-07-01 2.24436990896023 1999-10-01 2.14251462549151 2000-01-01 2.01187525220499 2000-04-01 2.02507788761106 2000-07-01 2.01788977589689 2000-10-01 1.86996880175635 2001-01-01 1.78578184707351 2001-04-01 1.69590975337384 2001-07-01 1.78578191872136 2001-10-01 1.68251923149797 2002-01-01 1.79546488700137 2002-04-01 1.78320749705960 2002-07-01 2.06684507202642 2002-10-01 2.03000379794911 2003-01-01 2.12280735095688 2003-04-01 1.94139681694587 2003-07-01 2.00715345686998 2003-10-01 1.99291914116035 2004-01-01 2.07765472809409 2004-04-01 2.10829581011982 2004-07-01 2.28279126584211 2004-10-01 2.36212954476016 2005-01-01 2.62987012987013 2005-04-01 2.70523279139522 2005-07-01 2.83776036690235 2005-10-01 2.77374216241015 2006-01-01 2.87237702098383 2006-04-01 2.82441580296019 2006-07-01 3.00585108417148 2006-10-01 2.93582549744336 2007-01-01 2.78411159439729 2007-04-01 2.65281478215867 2007-07-01 2.91105741571741 2007-10-01 2.98438758678891 2008-01-01 3.05476720104318 2008-04-01 2.87802912565475 2008-07-01 2.98604847531137 2008-10-01 2.96645943664134 2009-01-01 3.43183434910503 2009-04-01 3.38976529434398 2009-07-01 3.75178151843149 2009-10-01 3.83155785864268 2010-01-01 4.12474461277514 2010-04-01 3.96354387452310 2010-07-01 4.10531184951045 2010-10-01 4.02245630281283 2011-01-01 4.16264618472346 2011-04-01 4.11295154525600 2011-07-01 4.15522642020186 2011-10-01 4.16328109885858 2012-01-01 4.36946795529817 2012-04-01 3.98960414282666 2012-07-01 4.02816027306931 2012-10-01 4.13383534526259 2013-01-01 4.26404025098588 2013-04-01 4.11060122890254 2013-07-01 3.93377560747845 2013-10-01 3.70161337407314 2014-01-01 3.39111803661862 2014-04-01 3.25455325455325 2014-07-01 3.12243862456579