Quarter Percent 1998-01-01 47.1422547907761 1998-04-01 47.3563310156624 1998-07-01 47.9454043850733 1998-10-01 47.6699867872751 1999-01-01 47.1929684494734 1999-04-01 47.5827599589419 1999-07-01 48.1718136000958 1999-10-01 47.9807409931876 2000-01-01 47.3921579992175 2000-04-01 47.8232407075869 2000-07-01 48.6561423422707 2000-10-01 48.7579961784498 2001-01-01 48.1686970386751 2001-04-01 48.1400863466986 2001-07-01 48.8296662154768 2001-10-01 48.7040353261847 2002-01-01 48.5475687407471 2002-04-01 48.6484740836428 2002-07-01 49.0403870032370 2002-10-01 48.9396896932815 2003-01-01 48.7140375559894 2003-04-01 49.0358571454196 2003-07-01 49.3781469208590 2003-10-01 49.3276165189624 2004-01-01 48.4053936808618 2004-04-01 49.1589410646935 2004-07-01 49.2651094712447 2004-10-01 48.9481166108281 2005-01-01 48.4022429160759 2005-04-01 48.9676322449429 2005-07-01 48.8226943324353 2005-10-01 48.7247766767808 2006-01-01 48.6898254276142 2006-04-01 49.5487342373908 2006-07-01 49.2149341966359 2006-10-01 48.8380185157848 2007-01-01 48.4340369808863 2007-04-01 49.3855268311790 2007-07-01 49.5466664805405 2007-10-01 49.0333166123234 2008-01-01 48.3820497397581 2008-04-01 49.1864123403089 2008-07-01 49.0775533952338 2008-10-01 48.3510140028137 2009-01-01 47.4453713095016 2009-04-01 47.7678002473142 2009-07-01 47.5534941972688 2009-10-01 47.1222230620701 2010-01-01 46.7203354643003 2010-04-01 46.9558688407685 2010-07-01 46.6217234622710 2010-10-01 46.5938646443629 2011-01-01 46.3180235200837 2011-04-01 46.7513936253375 2011-07-01 46.6723965634262 2011-10-01 46.1515129827862 2012-01-01 45.5691246514573 2012-04-01 45.9164857895202 2012-07-01 46.0220742745615 2012-10-01 45.3534605215760 2013-01-01 44.3213258783231 2013-04-01 44.4089120998372 2013-07-01 44.6094234661188 2013-10-01 44.2322878009930 2014-01-01 43.6629736384852 2014-04-01 44.3375753697817 2014-07-01 44.6621758851804