Quarter	Percent, Seasonally Adjusted
2005-01-01	53.7318404765231
2005-04-01	53.8262176332490
2005-07-01	53.8656123337553
2005-10-01	54.0581728837824
2006-01-01	54.4188853687192
2006-04-01	54.5119707998174
2006-07-01	54.6754064407081
2006-10-01	54.8559010965797
2007-01-01	54.8729981101109
2007-04-01	55.0857485902638
2007-07-01	55.4078942044178
2007-10-01	55.5018965566124
2008-01-01	55.6335026948946
2008-04-01	55.7147605193676
2008-07-01	55.9381510416334
2008-10-01	55.9893700032524
2009-01-01	56.1709589086986
2009-04-01	56.2819789756498
2009-07-01	56.1450448089983
2009-10-01	56.3601624428910
2010-01-01	56.4836702401693
2010-04-01	56.4798480213960
2010-07-01	56.4749984444851
2010-10-01	56.5999632553260
2011-01-01	56.7147794411490
2011-04-01	56.8885020297811
2011-07-01	56.9791070179718
2011-10-01	57.1387322155382
2012-01-01	57.3692706956737
2012-04-01	57.5253788266338
2012-07-01	57.6372118147777
2012-10-01	57.6860689342027
2013-01-01	57.8350341638103
2013-04-01	57.8351818851336
2013-07-01	57.8712770982044
2013-10-01	57.8963523796953
2014-01-01	57.9884375382177
2014-04-01	57.9680112561648
2014-07-01	58.0572798430642
2014-10-01	58.2123032016308
2015-01-01	58.1111431483119
2015-04-01	58.2281765942090
2015-07-01	58.1265170155014
2015-10-01	58.2724118870204
2016-01-01	58.4669132117604
2016-04-01	58.6143072645567
2016-07-01	58.7832937927119
2016-10-01	58.7244431446324
2017-01-01	58.6677449162841
2017-04-01	58.7545833762013
2017-07-01	58.8922637559466
2017-10-01	58.9576378895748
2018-01-01	58.9007911225664
2018-04-01	59.0406800231392