Quarter Percent 2002-04-01 44.6245370228684 2002-07-01 44.4246517425739 2002-10-01 44.6803190448637 2003-01-01 43.3659352964871 2003-04-01 42.2578504460906 2003-07-01 42.2895074376716 2003-10-01 42.3822109006378 2004-01-01 42.9821838874652 2004-04-01 41.6706508812562 2004-07-01 42.2093704465696 2004-10-01 42.5384852369818 2005-01-01 43.8020381824917 2005-04-01 43.9665986036699 2005-07-01 44.2602225220005 2005-10-01 43.9706130765291 2006-01-01 44.3888953182450 2006-04-01 43.8002879671686 2006-07-01 41.1780826717538 2006-10-01 42.3323831878211 2007-01-01 42.9908205583163 2007-04-01 42.8016139846364 2007-07-01 43.0066261616023 2007-10-01 43.5183168323481 2008-01-01 44.0569127153638 2008-04-01 43.0775528762744 2008-07-01 43.1163372353960 2008-10-01 43.2562414311158 2009-01-01 44.9348022308822 2009-04-01 44.7936550589873 2009-07-01 45.0364768431814 2009-10-01 45.1891344469751 2010-01-01 45.5697567233661 2010-04-01 45.2832113958610 2010-07-01 45.1885750469894 2010-10-01 44.6565271748898 2011-01-01 45.4440524028106 2011-04-01 45.1570444073958 2011-07-01 45.4676564404606 2011-10-01 46.1573269595977 2012-01-01 46.4924082856706 2012-04-01 45.7407367584226 2012-07-01 46.1946668353233 2012-10-01 45.4845922694958 2013-01-01 47.1227502140378 2013-04-01 47.1687606592836 2013-07-01 46.9149993683085 2013-10-01 47.8949966080796 2014-01-01 49.5745052033217 2014-04-01 50.0183328682326 2014-07-01 49.9767355515284 2014-10-01 50.1006124664485 2015-01-01 50.2514599889344 2015-04-01 49.9779427996619 2015-07-01 49.8812211606119