Quarter Percent 2005-01-01 40.8415968111596 2005-04-01 41.6486990798006 2005-07-01 42.1080501857514 2005-10-01 42.7636175765368 2006-01-01 42.5208603027076 2006-04-01 42.8508491710238 2006-07-01 43.3963327198369 2006-10-01 43.7466887039492 2007-01-01 42.9008030084305 2007-04-01 43.4742700572746 2007-07-01 43.1920371498816 2007-10-01 44.6983589702879 2008-01-01 43.4774162397161 2008-04-01 43.9496033032119 2008-07-01 43.0202949520382 2008-10-01 42.9128257512447 2009-01-01 42.3494832764507 2009-04-01 42.7755058195097 2009-07-01 43.8144554940479 2009-10-01 44.2310454248994 2010-01-01 42.8816590748890 2010-04-01 43.7981307850882 2010-07-01 43.4020549892218 2010-10-01 42.6658646678903 2011-01-01 42.4790026682399 2011-04-01 43.4071963454505 2011-07-01 43.5666262654043 2011-10-01 45.3604508708522 2012-01-01 43.9044047514860 2012-04-01 45.3411952823286 2012-07-01 45.3084115712520 2012-10-01 44.9002667387972 2013-01-01 43.8536279017607 2013-04-01 45.3212811952212 2013-07-01 44.9983429629902 2013-10-01 45.6651546658975 2014-01-01 44.2762705878250 2014-04-01 44.4808041615527 2014-07-01 44.0203514812111 2014-10-01 44.1516820622415 2015-01-01 43.9514567253514 2015-04-01 44.4161981467722 2015-07-01 44.6221418294151 2015-10-01 45.7090200015008 2016-01-01 44.4947791134578 2016-04-01 45.0202819442712 2016-07-01 45.4948874200603 2016-10-01 45.2348466218642 2017-01-01 44.7842191478541 2017-04-01 44.8941521460996 2017-07-01 44.7272504114763 2017-10-01 45.2831588956572 2018-01-01 44.7943505782201 2018-04-01 45.8161764143994