Quarter	Percent, Seasonally Adjusted
2005-01-01	54.4822471506255
2005-04-01	54.6135495279124
2005-07-01	54.6947890267818
2005-10-01	54.8701783168326
2006-01-01	55.1654129527687
2006-04-01	55.2128786797637
2006-07-01	55.3303893479037
2006-10-01	55.3732167074217
2007-01-01	55.4440886852077
2007-04-01	55.5291619590233
2007-07-01	55.6784313050996
2007-10-01	55.8194787726180
2008-01-01	55.9453416945060
2008-04-01	56.0413557381126
2008-07-01	56.1806619304562
2008-10-01	56.2238868428115
2009-01-01	56.3669399051621
2009-04-01	56.4663494669894
2009-07-01	56.4527426635268
2009-10-01	56.5922695254996
2010-01-01	56.5633974781598
2010-04-01	56.6925411626556
2010-07-01	56.8083923628960
2010-10-01	56.8431186654641
2011-01-01	56.9001437712254
2011-04-01	56.9815871894180
2011-07-01	57.0989741681252
2011-10-01	57.2501906966436
2012-01-01	57.4144013033256
2012-04-01	57.5558856329295
2012-07-01	57.6841469022641
2012-10-01	57.7925635566695
2013-01-01	57.8286459952868
2013-04-01	57.9273140009329
2013-07-01	57.9553777141350
2013-10-01	57.9994031858599
2014-01-01	58.1457731986357
2014-04-01	58.1354424916648
2014-07-01	58.2500362934568
2014-10-01	58.3163705819665
2015-01-01	58.2510556140971
2015-04-01	58.3433035858040
2015-07-01	58.3241926115076
2015-10-01	58.4384087659026
2016-01-01	58.5674943435054
2016-04-01	58.6622528348597
2016-07-01	58.7886220842372
2016-10-01	58.8204374708964
2017-01-01	58.8828256893458
2017-04-01	58.9928949379145
2017-07-01	59.0496502814729
2017-10-01	59.1086314084262
2018-01-01	59.1643239073116
2018-04-01	59.2024711726050