Quarter	Percent, Seasonally Adjusted
2000-01-01	54.9541862971474
2000-04-01	55.0747623621993
2000-07-01	54.8218285362742
2000-10-01	54.7089220748049
2001-01-01	54.3050003520078
2001-04-01	53.4394447491542
2001-07-01	52.7964672757609
2001-10-01	52.0507375671626
2002-01-01	51.5437341090506
2002-04-01	51.0730007279335
2002-07-01	50.6517737115292
2002-10-01	50.3054230379390
2003-01-01	50.2340786544033
2003-04-01	50.3846102477164
2003-07-01	50.4421553358531
2003-10-01	50.5077004997894
2004-01-01	50.5658310637730
2004-04-01	50.7624350463740
2004-07-01	50.8647441952076
2004-10-01	51.8169221757141
2005-01-01	52.1051081664136
2005-04-01	51.8981147306044
2005-07-01	52.7203018712854
2005-10-01	52.8969555389122
2006-01-01	52.8130466163960
2006-04-01	53.6933055796380
2006-07-01	54.6918181530165
2006-10-01	55.1943447479566
2007-01-01	55.6659962626685
2007-04-01	56.3130890967204
2007-07-01	56.3192978873736
2007-10-01	57.1565035385568
2008-01-01	58.2221557349892
2008-04-01	58.5013320942327
2008-07-01	58.8112565590254
2008-10-01	59.0405304723854
2009-01-01	58.9270939639364
2009-04-01	58.5649102950647
2009-07-01	58.5290457073056
2009-10-01	57.9780747325342
2010-01-01	57.5396826027959
2010-04-01	57.7726477562195
2010-07-01	57.8864649111093
2010-10-01	57.9488569865220
2011-01-01	58.0981147248089
2011-04-01	58.3678528469141
2011-07-01	58.3405649002461
2011-10-01	58.2458457045470
2012-01-01	58.2082264470576
2012-04-01	58.3640691627236
2012-07-01	58.1649105495256
2012-10-01	58.1671332597490
2013-01-01	58.0778333690211
2013-04-01	58.2247674200086
2013-07-01	58.1562700975927
2013-10-01	58.2213801613940
2014-01-01	58.5506539798793
2014-04-01	59.1217555424933
2014-07-01	59.5677554264468
2014-10-01	59.5442387923810
2015-01-01	59.5954103612915
2015-04-01	59.4229608913600
2015-07-01	59.9503136568391
2015-10-01	60.4162918799678
2016-01-01	60.6456284542873
2016-04-01	60.6894826835365
2016-07-01	60.7167902696259
2016-10-01	61.3896498411110
2017-01-01	61.8334803838086
2017-04-01	61.9856072611874
2017-07-01	62.1439941482462
2017-10-01	62.0741066476088
2018-01-01	62.3570866375066
2018-04-01	62.6030085401219