Quarter	Percent, Seasonally Adjusted
2000-01-01	73.1454453821666
2000-04-01	73.3031508680415
2000-07-01	73.2310149445690
2000-10-01	73.0652255295858
2001-01-01	73.2300719652736
2001-04-01	73.3716266015886
2001-07-01	73.2635256470824
2001-10-01	73.4853165422348
2002-01-01	73.6659711777083
2002-04-01	73.6620097686040
2002-07-01	73.2501244383648
2002-10-01	72.8360580910988
2003-01-01	72.6821273675636
2003-04-01	72.3981220040285
2003-07-01	72.4774175570538
2003-10-01	72.3506194788783
2004-01-01	72.1168355131568
2004-04-01	72.1979738308593
2004-07-01	72.4569753755611
2004-10-01	72.2892776156735
2005-01-01	72.1006698066391
2005-04-01	71.9777078495324
2005-07-01	72.3243112270023
2005-10-01	72.3671433841598
2006-01-01	71.8360459321918
2006-04-01	71.8038307817956
2006-07-01	71.8956555801176
2006-10-01	71.8900609486336
2007-01-01	72.2121359941416
2007-04-01	72.3530121682046
2007-07-01	72.6533686348144
2007-10-01	73.3277444874017
2008-01-01	73.7541357450803
2008-04-01	73.9556257939814
2008-07-01	73.8857020930432
2008-10-01	73.5160077334880
2009-01-01	73.2638912469862
2009-04-01	73.0359575000598
2009-07-01	72.2741465224714
2009-10-01	72.0172322933952
2010-01-01	71.9997838655574
2010-04-01	72.0223067382676
2010-07-01	71.5546613463071
2010-10-01	71.6125360521230
2011-01-01	71.1900876625674
2011-04-01	71.1640007859026
2011-07-01	71.4206320571153
2011-10-01	71.5378615155891
2012-01-01	71.5786477595581
2012-04-01	71.6043728464576
2012-07-01	71.2799243510651
2012-10-01	71.2007627459939
2013-01-01	71.1015141142346
2013-04-01	71.0439738452479
2013-07-01	71.1720162192949
2013-10-01	70.9881027765364
2014-01-01	64.7304830158886
2014-04-01	64.7674813633950
2014-07-01	64.8490476174929
2014-10-01	65.0728666694216
2015-01-01	64.8796462187387
2015-04-01	65.1149351299917
2015-07-01	65.1062882260037
2015-10-01	64.8094898633846
2016-01-01	64.9118336793087
2016-04-01	64.3490414064381
2016-07-01	64.7446769740264
2016-10-01	64.0653625404876
2017-01-01	63.8352483944516
2017-04-01	63.7797878449521
2017-07-01	63.6656219734475
2017-10-01	63.6318555491046
2018-01-01	63.7323563848485
2018-04-01	63.8571614037191