Quarter	Percent, Seasonally Adjusted
2000-01-01	71.1106422678268
2000-04-01	70.6210814382095
2000-07-01	70.9374172977402
2000-10-01	70.7380137816787
2001-01-01	69.9432420665478
2001-04-01	70.0722473267046
2001-07-01	71.0323548445843
2001-10-01	70.4260420377392
2002-01-01	69.0862064641290
2002-04-01	68.6112037173890
2002-07-01	69.2385693580217
2002-10-01	70.1952036038480
2003-01-01	69.5327376441768
2003-04-01	70.7694585057560
2003-07-01	70.9200387045865
2003-10-01	70.6118865440598
2004-01-01	70.8099747826230
2004-04-01	70.7784792746687
2004-07-01	70.4761578378073
2004-10-01	69.7306791723669
2005-01-01	70.6145437555944
2005-04-01	71.2758354706387
2005-07-01	69.7661144321151
2005-10-01	70.9810127892025
2006-01-01	72.4511140862370
2006-04-01	73.8088504517900
2006-07-01	72.1776216519850
2006-10-01	72.8578795898191
2007-01-01	72.8860351873146
2007-04-01	73.9178936373993
2007-07-01	73.5600445985480
2007-10-01	72.5366774927134
2008-01-01	73.2706955176065
2008-04-01	73.0956127708302
2008-07-01	74.9121343544208
2008-10-01	75.5881369650845
2009-01-01	74.3225382714978
2009-04-01	74.0255293420486
2009-07-01	74.3130573647029
2009-10-01	73.4840452186542
2010-01-01	74.3600697968104
2010-04-01	73.9003552654437
2010-07-01	73.3525480009842
2010-10-01	73.9065665499878
2011-01-01	74.4556436524038
2011-04-01	74.5977953387733
2011-07-01	75.2060953630359
2011-10-01	74.7002135062293
2012-01-01	75.0492990651970
2012-04-01	74.8338214368949
2012-07-01	75.2118784121114
2012-10-01	74.1426633499001
2013-01-01	75.4999508205704
2013-04-01	75.6379316998845
2013-07-01	74.3228670544132
2013-10-01	75.0202427649145
2014-01-01	74.4809097907323
2014-04-01	75.3162938909650
2014-07-01	75.6551690146228
2014-10-01	75.5118542125120
2015-01-01	75.4916336395254
2015-04-01	76.7035762765128
2015-07-01	77.5918984598220
2015-10-01	76.9513363800776
2016-01-01	76.0773220036171
2016-04-01	78.3195198127487
2016-07-01	78.5354239852042
2016-10-01	77.0162827387221
2017-01-01	78.0094366547182
2017-04-01	78.7603817065584
2017-07-01	78.5997411619587
2017-10-01	79.9278211890636
2018-01-01	79.3873101436982
2018-04-01	78.6921193912575