Quarter	Percent, Seasonally Adjusted
2005-01-01	52.0024309008087
2005-04-01	51.7628067193486
2005-07-01	51.8402037503387
2005-10-01	51.9680168649119
2006-01-01	52.4732822268196
2006-04-01	52.8201217883006
2006-07-01	53.0744907446615
2006-10-01	53.2877295808098
2007-01-01	53.5663712160592
2007-04-01	54.0215563282610
2007-07-01	54.1872337926626
2007-10-01	54.3359531667254
2008-01-01	54.5369123426060
2008-04-01	54.4804058328453
2008-07-01	55.0669401961175
2008-10-01	55.0335728862339
2009-01-01	54.7406465951739
2009-04-01	54.7267633161232
2009-07-01	54.4784667175036
2009-10-01	55.2302618260785
2010-01-01	54.8857254600852
2010-04-01	55.1742455147066
2010-07-01	55.3356935896582
2010-10-01	55.5416259427585
2011-01-01	56.0427149357234
2011-04-01	56.6472221407369
2011-07-01	56.7311937518136
2011-10-01	56.9399675893716
2012-01-01	56.6583806527026
2012-04-01	56.8178354450776
2012-07-01	56.9355504337211
2012-10-01	56.9317632148048
2013-01-01	57.0476309980321
2013-04-01	57.2690604120371
2013-07-01	57.2256303030475
2013-10-01	57.2415180070493
2014-01-01	57.2838585976344
2014-04-01	57.4145766539654
2014-07-01	57.4779670662560
2014-10-01	57.4197671116616
2015-01-01	57.2287080766379
2015-04-01	57.2509217553104
2015-07-01	57.4154652866913
2015-10-01	57.6512187522249
2016-01-01	58.2977626151580
2016-04-01	58.3214882878236
2016-07-01	58.5854549403208
2016-10-01	58.7673704163608
2017-01-01	58.6175596249530
2017-04-01	58.7931521800994
2017-07-01	59.0024218626759
2017-10-01	59.2567685106120
2018-01-01	59.0437325766883
2018-04-01	59.0103246018468