Quarter	Percent, Seasonally Adjusted
1999-01-01	42.7156924693816
1999-04-01	42.2010689973650
1999-07-01	42.6539678699489
1999-10-01	42.4198066038281
2000-01-01	42.7963682132483
2000-04-01	42.6504279342173
2000-07-01	41.7145811240048
2000-10-01	42.2164807447824
2001-01-01	41.8827524949833
2001-04-01	42.3631354846162
2001-07-01	41.6384431534854
2001-10-01	42.0566439632299
2002-01-01	41.1501904583160
2002-04-01	41.9409202888127
2002-07-01	43.3062365911641
2002-10-01	43.8365254432835
2003-01-01	43.4093451687880
2003-04-01	43.6246343786152
2003-07-01	44.2623745733559
2003-10-01	42.5412600447275
2004-01-01	41.5446581671086
2004-04-01	41.0769331039351
2004-07-01	40.3088091618477
2004-10-01	41.2409936023396
2005-01-01	40.9691599011069
2005-04-01	41.2907111202159
2005-07-01	40.6812452371811
2005-10-01	40.0662769485429
2006-01-01	40.5071491036612
2006-04-01	40.1703399115883
2006-07-01	40.8505902818414
2006-10-01	41.2850418199214
2007-01-01	40.7772802557275
2007-04-01	39.8624453814208
2007-07-01	40.0144073892082
2007-10-01	40.5590869280028
2008-01-01	40.8328588662136
2008-04-01	40.8625945574741
2008-07-01	39.9014638753430
2008-10-01	40.4460363239317
2009-01-01	41.3067668522177
2009-04-01	40.6561607988661
2009-07-01	40.0303921730966
2009-10-01	40.2581639821274
2010-01-01	40.3906013426532
2010-04-01	40.8111456547683
2010-07-01	41.4023867034546
2010-10-01	40.7094621738282
2011-01-01	41.7875199834942
2011-04-01	42.2431807209571
2011-07-01	42.2971789963241
2011-10-01	41.9676484216429
2012-01-01	41.8981547000149
2012-04-01	43.0964509158278
2012-07-01	42.7012418694764
2012-10-01	42.1301857020611
2013-01-01	42.7707396830296
2013-04-01	42.8005983109547
2013-07-01	42.6802616019705
2013-10-01	42.7638651978632
2014-01-01	42.3854358895325
2014-04-01	41.8352797292681
2014-07-01	42.5640587406833
2014-10-01	42.5167101184456
2015-01-01	42.8791087980696
2015-04-01	42.2551079984117
2015-07-01	42.4033600586459
2015-10-01	43.1963225401204
2016-01-01	43.5950948388728
2016-04-01	43.3663242466622
2016-07-01	43.8499095237786
2016-10-01	42.7975358666319
2017-01-01	41.7136973146231
2017-04-01	41.9748545637699
2017-07-01	41.3829938813113
2017-10-01	41.2206234635986
2018-01-01	41.0649053722260
2018-04-01	40.9518230646489