Quarter	Percent, Seasonally Adjusted
1999-01-01	52.0163859808830
1999-04-01	52.8711611848083
1999-07-01	51.9634455302208
1999-10-01	51.3420384475880
2000-01-01	52.7908236994220
2000-04-01	53.1275312753128
2000-07-01	52.4228284278536
2000-10-01	51.5758283200144
2001-01-01	51.7649166815983
2001-04-01	52.0790485558437
2001-07-01	51.5685047814818
2001-10-01	52.2240085744909
2002-01-01	54.0381529684436
2002-04-01	53.7948216033455
2002-07-01	53.6849582667377
2002-10-01	52.2695035460993
2003-01-01	53.8339222614841
2003-04-01	54.0721196130167
2003-07-01	53.9378011388524
2003-10-01	54.0314136125654
2004-01-01	52.7555632823366
2004-04-01	53.1623635418472
2004-07-01	52.9310195976863
2004-10-01	53.7766689607708
2005-01-01	53.6464135744280
2005-04-01	54.0422991642504
2005-07-01	53.5302104548540
2005-10-01	53.5343298707879
2006-01-01	53.0207545584405
2006-04-01	53.3528183716075
2006-07-01	53.8148609381486
2006-10-01	53.4918276374443
2007-01-01	54.1550336672688
2007-04-01	54.1612271540470
2007-07-01	55.1598247606685
2007-10-01	54.9063912201420
2008-01-01	54.1482611838406
2008-04-01	54.9383704178005
2008-07-01	54.5005182173324
2008-10-01	53.6366523741464
2009-01-01	54.0690310322989
2009-04-01	53.7199211045365
2009-07-01	53.7941338365967
2009-10-01	53.6170546281056
2010-01-01	54.1491187022305
2010-04-01	54.2648316616126
2010-07-01	54.1824947670362
2010-10-01	54.5595054095827
2011-01-01	54.3731216768128
2011-04-01	53.9649608114338
2011-07-01	53.7194514670957
2011-10-01	52.2998166259169
2012-01-01	53.1769008075575
2012-04-01	53.5798344848531
2012-07-01	53.5860190649115
2012-10-01	52.9367413104124
2013-01-01	53.0633749811832
2013-04-01	54.9124257686236
2013-07-01	54.4212580693590
2013-10-01	55.0183644404467
2014-01-01	55.0812551486557
2014-04-01	55.1760221242245
2014-07-01	55.3334327912875
2014-10-01	55.4761372943191
2015-01-01	56.5259474350384
2015-04-01	57.3306595365419
2015-07-01	57.1037037037037
2015-10-01	57.1048547993793
2016-01-01	56.6602743767517
2016-04-01	58.7992937021778
2016-07-01	59.1132643323791
2016-10-01	59.2852958406561
2017-01-01	59.9051094890511
2017-04-01	61.0965487112276
2017-07-01	62.2076978939724
2017-10-01	62.7073223727095
2018-01-01	63.0997109826590
2018-04-01	63.4949218468631