Quarter Percent 1998-04-01 5.14783165013938 1999-04-01 4.37781177921396 2000-04-01 3.07165677772707 2001-01-01 3.03714344346398 2001-04-01 2.73489092316801 2001-07-01 2.69606170227288 2001-10-01 2.69729815711137 2002-01-01 3.15078429594705 2002-04-01 2.85863021139831 2002-07-01 2.86663803042977 2002-10-01 2.93287575353909 2003-01-01 3.31514140092914 2003-04-01 3.28057100398532 2003-07-01 3.18856885688569 2003-10-01 3.41991731080352 2004-01-01 4.07109834373176 2004-04-01 3.88390856118333 2004-07-01 3.49565840121744 2004-10-01 3.35550926237036 2005-01-01 3.87324731086611 2005-04-01 4.88414661368811 2005-07-01 4.06061956763985 2005-10-01 3.85035317186212 2006-01-01 4.19945166395471 2006-04-01 4.32929266018383 2006-07-01 3.44491027262040 2006-10-01 3.36019125199221 2007-01-01 3.81188228270723 2007-04-01 3.59702710451448 2007-07-01 2.92261341895190 2007-10-01 2.83927591881514 2008-01-01 3.32359466643235 2008-04-01 3.71629028721772 2008-07-01 3.00463935574230 2008-10-01 3.34504353138842 2009-01-01 4.43206692529421 2009-04-01 5.34841472382023 2009-07-01 4.73455817267212 2009-10-01 4.80651204858195 2010-01-01 5.34431588455418 2010-04-01 5.41637148193469 2010-07-01 4.54175414542183 2010-10-01 4.23772278497243 2011-01-01 4.59968837378071 2011-04-01 4.87742485610744 2011-07-01 4.06173496540713 2011-10-01 4.13743249564145 2012-01-01 4.70808192402482 2012-04-01 4.99182885158223 2012-07-01 4.40238241590538 2012-10-01 4.44199784040143 2013-01-01 4.96297863338270 2013-04-01 5.18352598102403 2013-07-01 4.17018402836400 2013-10-01 4.30513117690444 2014-01-01 5.01347028119212 2014-04-01 5.15665384857845 2014-07-01 4.30660149776594 2014-10-01 4.26734787888940