Quarter	Percent, Seasonally Adjusted
2000-01-01	67.0318884441536
2000-04-01	67.0439737594462
2000-07-01	66.9718665027226
2000-10-01	68.1623871708454
2001-01-01	69.3971574047975
2001-04-01	69.4236824385508
2001-07-01	70.0198695351867
2001-10-01	69.4265028502790
2002-01-01	69.0504463268051
2002-04-01	69.3733111070575
2002-07-01	69.9103334082636
2002-10-01	69.5757124662030
2003-01-01	69.2322455784600
2003-04-01	68.3957091568294
2003-07-01	67.5763904686728
2003-10-01	65.8645901781336
2004-01-01	66.0547495099243
2004-04-01	65.9308454535119
2004-07-01	64.8714494041552
2004-10-01	64.6927607255057
2005-01-01	64.8185002484899
2005-04-01	64.7099159245744
2005-07-01	65.0939677179968
2005-10-01	65.0143425483313
2006-01-01	65.0773903092283
2006-04-01	65.3294791218526
2006-07-01	64.5777100878580
2006-10-01	65.4347635817218
2007-01-01	66.2840675094764
2007-04-01	67.5998167597997
2007-07-01	68.9732806949806
2007-10-01	68.7581330452719
2008-01-01	68.4983349903159
2008-04-01	68.2420352572093
2008-07-01	69.2981853973359
2008-10-01	69.3092130676124
2009-01-01	69.7845423871442
2009-04-01	68.7156124258315
2009-07-01	67.7441320339671
2009-10-01	67.4489213976554
2010-01-01	63.6655104946203
2010-04-01	63.7078581134052
2010-07-01	63.6010211401477
2010-10-01	62.8744615270992
2011-01-01	61.8156975397682
2011-04-01	62.4685412674596
2011-07-01	62.8634068100989
2011-10-01	63.3411929239099
2012-01-01	63.1810708026196
2012-04-01	62.3977617696484
2012-07-01	62.3723934042894
2012-10-01	62.1227506183049
2013-01-01	61.9455772814233
2013-04-01	61.7193463811787
2013-07-01	60.6645287680764
2013-10-01	59.7573781024368
2014-01-01	58.4469971148452
2014-04-01	58.1181326383021
2014-07-01	58.7716646890125
2014-10-01	60.0518855168485
2015-01-01	61.7061801529613
2015-04-01	62.1114905778892
2015-07-01	61.4059984487097
2015-10-01	61.4169860265054
2016-01-01	61.5958966582938
2016-04-01	62.3069315081980
2016-07-01	62.2646527740440
2016-10-01	62.2549243042042
2017-01-01	62.8459512772969
2017-04-01	63.1077647341008
2017-07-01	63.7583403294560
2017-10-01	64.6159053631853
2018-01-01	65.1241588294009
2018-04-01	65.2634191246125