Quarter	Percent, Seasonally Adjusted
2000-01-01	58.0020373258759
2000-04-01	58.9584920646251
2000-07-01	59.6478634622035
2000-10-01	60.0258734962765
2001-01-01	59.8771369437361
2001-04-01	60.1400075984318
2001-07-01	60.2688602372315
2001-10-01	60.5530415817873
2002-01-01	60.9145670255639
2002-04-01	61.0212519250510
2002-07-01	61.6898617666700
2002-10-01	61.8785362216658
2003-01-01	61.8447683448908
2003-04-01	61.6177662501745
2003-07-01	61.8437623592786
2003-10-01	61.5635135887022
2004-01-01	61.8953514563802
2004-04-01	62.1615993383117
2004-07-01	62.3015836338340
2004-10-01	62.3830473541571
2005-01-01	62.4502614276490
2005-04-01	62.8269938078800
2005-07-01	62.9166034363671
2005-10-01	63.0325111124465
2006-01-01	63.3176305756994
2006-04-01	63.3716374518126
2006-07-01	63.4061537648898
2006-10-01	63.9049378812256
2007-01-01	64.4216218617490
2007-04-01	64.9270609589122
2007-07-01	64.9935541643361
2007-10-01	65.0867429779702
2008-01-01	65.3984395439801
2008-04-01	65.5334854812860
2008-07-01	65.9596142515910
2008-10-01	66.1890302957523
2009-01-01	66.7399974054905
2009-04-01	66.1474208026088
2009-07-01	66.1299238002963
2009-10-01	66.2692945468156
2010-01-01	64.6407586194648
2010-04-01	64.9041589743319
2010-07-01	64.8688768661232
2010-10-01	65.0248952089043
2011-01-01	64.5800518040320
2011-04-01	64.5258873287170
2011-07-01	64.6508594974749
2011-10-01	65.3129287022989
2012-01-01	65.2267857636250
2012-04-01	65.2941840721809
2012-07-01	65.4958493401825
2012-10-01	65.5394715880861
2013-01-01	65.3762305483880
2013-04-01	65.3605126610186
2013-07-01	65.4424512658002
2013-10-01	65.2307718760542
2014-01-01	64.5317679514088
2014-04-01	64.3880297239973
2014-07-01	64.5657048121992
2014-10-01	64.9739453388322
2015-01-01	65.0755963373474
2015-04-01	65.2312239504275
2015-07-01	65.1241465101321
2015-10-01	64.9394757623157
2016-01-01	64.8731220824583
2016-04-01	65.2222585308775
2016-07-01	65.2507637724648
2016-10-01	65.1310200756786
2017-01-01	65.2020185878518
2017-04-01	65.2676713369664
2017-07-01	65.4344258744014
2017-10-01	65.2683448116033
2018-01-01	65.2639743171063
2018-04-01	65.6111523931323