Quarter	Percent, Seasonally Adjusted
2000-01-01	68.6100999830016
2000-04-01	68.8017417288655
2000-07-01	69.1364985537584
2000-10-01	68.6359037934216
2001-01-01	68.8038856184768
2001-04-01	69.0752469122984
2001-07-01	69.1127305125312
2001-10-01	69.6390909634389
2002-01-01	70.0044469066197
2002-04-01	70.0720798843393
2002-07-01	69.4137443317451
2002-10-01	69.0090865937305
2003-01-01	68.9814620276742
2003-04-01	68.7299139034387
2003-07-01	68.9662520077080
2003-10-01	68.7658859903431
2004-01-01	68.2567948256160
2004-04-01	68.7469594321167
2004-07-01	68.7662515582951
2004-10-01	68.6063694986422
2005-01-01	68.3592948694880
2005-04-01	68.2195372899623
2005-07-01	68.7787781996611
2005-10-01	68.7052517490716
2006-01-01	68.1097886937737
2006-04-01	68.2448478083895
2006-07-01	68.3240862659049
2006-10-01	68.3526552600203
2007-01-01	68.8722795256720
2007-04-01	69.1168285657922
2007-07-01	69.3798145049035
2007-10-01	70.1767092457076
2008-01-01	70.6895527484692
2008-04-01	70.6306930806414
2008-07-01	70.5323593257351
2008-10-01	70.5578493875572
2009-01-01	70.4865352434246
2009-04-01	69.9955309586475
2009-07-01	69.3490520468002
2009-10-01	69.1315502778747
2010-01-01	68.9575868140319
2010-04-01	68.7498637926145
2010-07-01	68.4084868527733
2010-10-01	68.4417485699734
2011-01-01	68.7568969894993
2011-04-01	68.6305138523586
2011-07-01	68.5667284425059
2011-10-01	68.5605466101867
2012-01-01	68.4567742273970
2012-04-01	68.6586221903509
2012-07-01	68.3647798012604
2012-10-01	68.3018127975499
2013-01-01	68.4735498252405
2013-04-01	68.0387201000173
2013-07-01	68.3906383172760
2013-10-01	68.4090825023071
2014-01-01	68.1524224761506
2014-04-01	68.0398735669995
2014-07-01	68.0971071133686
2014-10-01	68.4908861368501
2015-01-01	68.0841990855739
2015-04-01	68.2213818967640
2015-07-01	68.2860899333668
2015-10-01	68.0965795318368
2016-01-01	68.2001409785186
2016-04-01	67.1593890015128
2016-07-01	67.9168121519409
2016-10-01	67.3108440591212
2017-01-01	67.0457054235917
2017-04-01	67.1931273472155
2017-07-01	66.9619450512466
2017-10-01	66.9595826908623
2018-01-01	66.9729391037153
2018-04-01	66.9118079881475