Quarter	Percent, Seasonally Adjusted
2000-01-01	64.7630223833109
2000-04-01	65.4236861511789
2000-07-01	64.8885179971296
2000-10-01	65.6626915204335
2001-01-01	66.0931358993051
2001-04-01	65.8177929573852
2001-07-01	65.9478334125069
2001-10-01	65.6811749787804
2002-01-01	65.7474186017364
2002-04-01	66.8194138642100
2002-07-01	66.3601436447990
2002-10-01	66.0571329080075
2003-01-01	67.2234218988195
2003-04-01	66.1781445266750
2003-07-01	67.1318075910872
2003-10-01	67.1468565749307
2004-01-01	65.8883593758583
2004-04-01	65.9566645019212
2004-07-01	65.6787197166599
2004-10-01	65.7493834260842
2005-01-01	65.6975381093319
2005-04-01	64.6727269618426
2005-07-01	65.7473502524919
2005-10-01	65.9495378412088
2006-01-01	66.9233403678528
2006-04-01	67.1036763713716
2006-07-01	67.5630962481470
2006-10-01	68.0398637851986
2007-01-01	68.3286969458600
2007-04-01	68.8180318899209
2007-07-01	69.1552410123821
2007-10-01	69.5271345835076
2008-01-01	69.4193045678254
2008-04-01	69.1118232512824
2008-07-01	69.1525079064934
2008-10-01	69.0919950194367
2009-01-01	68.6757863087965
2009-04-01	68.9017823665116
2009-07-01	68.4772536201910
2009-10-01	68.9124635545593
2010-01-01	68.6599387070982
2010-04-01	68.9766952271585
2010-07-01	68.0960062765303
2010-10-01	68.6941288961427
2011-01-01	68.7427694849576
2011-04-01	69.1382831992180
2011-07-01	70.1847778969865
2011-10-01	70.1635685958655
2012-01-01	70.5789556512302
2012-04-01	70.8884279637488
2012-07-01	71.0038671103125
2012-10-01	71.0561824967018
2013-01-01	70.3699504865506
2013-04-01	71.5869513098330
2013-07-01	71.4073455149929
2013-10-01	70.8413991768742
2014-01-01	71.4655695275717
2014-04-01	71.5992067616144
2014-07-01	72.3530702268646
2014-10-01	73.3286146748147
2015-01-01	72.2235035403618
2015-04-01	72.3020277379001
2015-07-01	72.2801800131765
2015-10-01	71.9696349378707
2016-01-01	72.7090497240998
2016-04-01	72.7426965677638
2016-07-01	72.5833714149736
2016-10-01	72.4895907094282
2017-01-01	72.0423759188825
2017-04-01	72.0325789003525
2017-07-01	71.9111315660718
2017-10-01	71.6372049293488
2018-01-01	72.5260284212090
2018-04-01	72.1392677368553