Quarter	Percent, Seasonally Adjusted
2000-01-01	56.1940900088765
2000-04-01	56.6034277858951
2000-07-01	56.9255412170416
2000-10-01	56.6196479889184
2001-01-01	56.4722313578227
2001-04-01	56.8496711198182
2001-07-01	56.7090187373805
2001-10-01	57.1221838690253
2002-01-01	57.1316973085529
2002-04-01	57.0721174547692
2002-07-01	57.0951063083903
2002-10-01	56.9363852340080
2003-01-01	57.0995385718019
2003-04-01	56.6753837752773
2003-07-01	56.0555413839570
2003-10-01	55.9494603306549
2004-01-01	55.7999700168908
2004-04-01	56.2195315120114
2004-07-01	56.4388803618372
2004-10-01	56.2724226164374
2005-01-01	56.7722439472190
2005-04-01	56.6421737453402
2005-07-01	56.6815490049317
2005-10-01	56.9879749746686
2006-01-01	57.0427635853888
2006-04-01	56.9430513820397
2006-07-01	57.0555686657736
2006-10-01	57.2297852167917
2007-01-01	57.3380140475287
2007-04-01	57.1416753416059
2007-07-01	57.4464612792270
2007-10-01	57.5692061366700
2008-01-01	57.2905109353080
2008-04-01	57.3548227434762
2008-07-01	57.3976845576997
2008-10-01	57.5149023856365
2009-01-01	57.2803689557217
2009-04-01	57.1168015343533
2009-07-01	56.6879664872139
2009-10-01	56.7424838858593
2010-01-01	56.1213721140282
2010-04-01	56.2585035313758
2010-07-01	55.8768295171176
2010-10-01	55.8432056191732
2011-01-01	55.6786801482807
2011-04-01	55.7585687118590
2011-07-01	56.0274657573412
2011-10-01	55.7319660657126
2012-01-01	55.8820664048293
2012-04-01	55.9091034592563
2012-07-01	56.5819527559330
2012-10-01	55.5564915248423
2013-01-01	55.9074947800266
2013-04-01	55.5682666966968
2013-07-01	55.0144482128810
2013-10-01	55.6362080655019
2014-01-01	55.3685164662501
2014-04-01	55.6488467770897
2014-07-01	55.5604122143481
2014-10-01	55.3548012331314
2015-01-01	55.4897309292007
2015-04-01	55.5948006475989
2015-07-01	55.7504699168615
2015-10-01	55.5898219133564
2016-01-01	55.2613022850862
2016-04-01	54.7786125669624
2016-07-01	55.1388914569273
2016-10-01	54.8238010069369
2017-01-01	55.0286768827066
2017-04-01	55.0802158197116
2017-07-01	54.8617561321802
2017-10-01	55.8320748389329
2018-01-01	56.1106706751068
2018-04-01	55.9076464401263