Quarter	Percent, Seasonally Adjusted
1999-01-01	60.1265899312961
1999-04-01	60.2703018124695
1999-07-01	60.7106835822521
1999-10-01	60.0609494370662
2000-01-01	60.8505892312814
2000-04-01	60.4108516258771
2000-07-01	59.3615795183194
2000-10-01	59.7451759399662
2001-01-01	60.3542167064088
2001-04-01	59.8428423906721
2001-07-01	60.7729988931354
2001-10-01	61.1426855968118
2002-01-01	60.2081859621524
2002-04-01	60.4020669957454
2002-07-01	59.6902668825356
2002-10-01	60.1297528532835
2003-01-01	59.1929284239710
2003-04-01	59.8793945263468
2003-07-01	60.1235323972903
2003-10-01	60.0734080913981
2004-01-01	60.2800423945117
2004-04-01	60.5235883569912
2004-07-01	61.2416117534330
2004-10-01	60.5610963370589
2005-01-01	60.4541539600901
2005-04-01	59.7917096116222
2005-07-01	60.2518334261564
2005-10-01	61.0678128784784
2006-01-01	60.9902512824543
2006-04-01	60.8451616328452
2006-07-01	61.0285956938036
2006-10-01	60.8624451936126
2007-01-01	61.1469064247257
2007-04-01	60.7296784696729
2007-07-01	60.3972540012389
2007-10-01	60.3776034857072
2008-01-01	60.6202931873270
2008-04-01	60.9713322064057
2008-07-01	60.8907330700909
2008-10-01	61.3168232805292
2009-01-01	61.0358830736932
2009-04-01	61.0613934520273
2009-07-01	60.6497257355239
2009-10-01	59.7698729744779
2010-01-01	59.8705996578957
2010-04-01	60.0864275803337
2010-07-01	59.9269053150077
2010-10-01	59.3302703139002
2011-01-01	59.6128472257332
2011-04-01	59.8058983122796
2011-07-01	59.7616468256183
2011-10-01	59.2974942420988
2012-01-01	59.3990929040227
2012-04-01	59.5219671993820
2012-07-01	58.8250602288550
2012-10-01	58.4609955237131
2013-01-01	58.4314928781551
2013-04-01	58.8738508007394
2013-07-01	58.7491580716594
2013-10-01	58.2958723382572
2014-01-01	57.6507771035974
2014-04-01	57.6998924479567
2014-07-01	58.1535572201369
2014-10-01	58.7022170216500
2015-01-01	58.2375673728058
2015-04-01	57.5319294500999
2015-07-01	57.4544610849878
2015-10-01	58.0085121656958
2016-01-01	59.6740398145700
2016-04-01	59.8281585009100
2016-07-01	59.1191741643884
2016-10-01	59.1139346316921
2017-01-01	58.3203166180011
2017-04-01	57.9887918582865
2017-07-01	58.4929388806771
2017-10-01	58.1652084650098
2018-01-01	58.5316423203817
2018-04-01	58.6819685787457