Quarter	Percent, Seasonally Adjusted
2000-01-01	65.5872953080716
2000-04-01	65.9855491064005
2000-07-01	65.3676625596810
2000-10-01	66.3554670924590
2001-01-01	66.8430362328996
2001-04-01	66.6245560203931
2001-07-01	66.8899145092558
2001-10-01	66.4207757312892
2002-01-01	66.6873186856152
2002-04-01	67.6351438213660
2002-07-01	66.9831781068413
2002-10-01	67.0412084267756
2003-01-01	68.1582104969660
2003-04-01	66.8712820967030
2003-07-01	68.0350803294556
2003-10-01	68.0447527470222
2004-01-01	66.7788087675289
2004-04-01	66.7734635922164
2004-07-01	66.5961222428369
2004-10-01	66.5858835353542
2005-01-01	66.6754214250515
2005-04-01	65.6654948223590
2005-07-01	66.8225217206019
2005-10-01	66.9610168254730
2006-01-01	67.5850487016847
2006-04-01	68.0616394013204
2006-07-01	68.2028769881456
2006-10-01	68.8009118216151
2007-01-01	68.8667311261248
2007-04-01	69.4386289352384
2007-07-01	69.7696378069684
2007-10-01	70.3955688373174
2008-01-01	70.2513039596695
2008-04-01	69.8468821222851
2008-07-01	69.7265178258484
2008-10-01	69.7780297763660
2009-01-01	69.4988368447709
2009-04-01	69.6234641820025
2009-07-01	69.2350678519566
2009-10-01	69.6266860274805
2010-01-01	69.4871181428409
2010-04-01	70.1041137128919
2010-07-01	69.2011808395747
2010-10-01	69.5061208764366
2011-01-01	69.3653971979646
2011-04-01	70.1514267754393
2011-07-01	70.9686006393082
2011-10-01	71.1780478437986
2012-01-01	71.5522523499388
2012-04-01	71.6280869521096
2012-07-01	72.0435914676416
2012-10-01	71.8041531193941
2013-01-01	71.4154862522575
2013-04-01	72.5721639663474
2013-07-01	72.2940933414679
2013-10-01	71.5222535745392
2014-01-01	72.3289355055348
2014-04-01	72.5585061399852
2014-07-01	73.4594267465845
2014-10-01	74.1341534009757
2015-01-01	73.3382243277789
2015-04-01	73.2996351040876
2015-07-01	73.5882764578487
2015-10-01	73.3500906553208
2016-01-01	74.1212792078705
2016-04-01	74.1071469922114
2016-07-01	73.9915077508005
2016-10-01	74.0413392665886
2017-01-01	73.5648398225096
2017-04-01	73.1399937721212
2017-07-01	73.2210630587899
2017-10-01	72.9117354012164
2018-01-01	73.4580550751888
2018-04-01	73.1154169047040