Quarter	Percent, Seasonally Adjusted
2000-01-01	61.4337384666054
2000-04-01	59.9282305039161
2000-07-01	57.9888729489169
2000-10-01	57.2708322686512
2001-01-01	55.2345000946755
2001-04-01	57.1283920589158
2001-07-01	57.4885723825812
2001-10-01	57.8278875521669
2002-01-01	57.8293405765165
2002-04-01	58.3377402346928
2002-07-01	58.3312981123179
2002-10-01	59.2190894730142
2003-01-01	60.0561957778330
2003-04-01	59.2344028386535
2003-07-01	59.1488091286617
2003-10-01	59.5138746312550
2004-01-01	59.4621040294189
2004-04-01	60.3763481730472
2004-07-01	60.8034493846000
2004-10-01	60.4003896306182
2005-01-01	60.4406132113238
2005-04-01	60.7406393164780
2005-07-01	59.9470947754867
2005-10-01	60.9699867177716
2006-01-01	62.7895930177305
2006-04-01	62.4044855576426
2006-07-01	61.9121943320948
2006-10-01	62.7405824888113
2007-01-01	63.2257158558506
2007-04-01	62.8773719700889
2007-07-01	63.7519128571497
2007-10-01	63.9903188843890
2008-01-01	63.3923968431028
2008-04-01	63.8535231917489
2008-07-01	63.6979083646996
2008-10-01	62.9610642756024
2009-01-01	62.2885424863134
2009-04-01	62.5485580315394
2009-07-01	61.9883681407077
2009-10-01	60.9290658999836
2010-01-01	60.3795756986951
2010-04-01	60.7939104538199
2010-07-01	60.4665913043844
2010-10-01	61.2267141678108
2011-01-01	61.6918691944176
2011-04-01	60.8413654601394
2011-07-01	61.0415989093643
2011-10-01	61.6188351029161
2012-01-01	61.7137438477992
2012-04-01	61.7082395755316
2012-07-01	61.7019267438500
2012-10-01	60.7423823987200
2013-01-01	61.5975071891203
2013-04-01	61.7420782852861
2013-07-01	61.6803656262357
2013-10-01	61.4296442883348
2014-01-01	60.8443876429167
2014-04-01	61.1995935188720
2014-07-01	61.4410978675037
2014-10-01	61.4700161835397
2015-01-01	61.7872981269463
2015-04-01	61.6962279560088
2015-07-01	61.6959688905381
2015-10-01	61.2624778345188
2016-01-01	60.4833968975564
2016-04-01	59.8270079111358
2016-07-01	59.9051519994466
2016-10-01	60.6255637816287
2017-01-01	61.0874700898115
2017-04-01	59.7035196449346
2017-07-01	60.4017749301519
2017-10-01	60.0598832775816
2018-01-01	60.1117443144285
2018-04-01	60.9407669554930