Quarter	Percent, Seasonally Adjusted
1999-01-01	6.98404426444494
1999-04-01	7.34883944006103
1999-07-01	7.41909247643748
1999-10-01	7.09853270781535
2000-01-01	6.59569694880047
2000-04-01	6.96266545519885
2000-07-01	6.35072730265346
2000-10-01	6.03928493261782
2001-01-01	5.65271225926908
2001-04-01	5.58403237221912
2001-07-01	5.21944394362431
2001-10-01	6.22729673416572
2002-01-01	5.94628613730161
2002-04-01	5.83280209013380
2002-07-01	6.01997325442772
2002-10-01	5.89130257939358
2003-01-01	6.41729908636836
2003-04-01	6.23869441177074
2003-07-01	6.53429918895834
2003-10-01	6.22796249614555
2004-01-01	6.08068886911363
2004-04-01	5.89696199034849
2004-07-01	5.78819870416982
2004-10-01	5.75453251996554
2005-01-01	5.58502763874003
2005-04-01	5.64417170018295
2005-07-01	6.45399892193556
2005-10-01	6.63847674442045
2006-01-01	4.95036688090711
2006-04-01	5.33227898013636
2006-07-01	4.90945851149554
2006-10-01	4.48926648906279
2007-01-01	4.27815566753177
2007-04-01	3.76537076906279
2007-07-01	3.96304396142431
2007-10-01	3.96242091262412
2008-01-01	4.21438764237500
2008-04-01	3.68920076965191
2008-07-01	4.15245551931834
2008-10-01	3.97639266032321
2009-01-01	4.97722508269011
2009-04-01	5.81274691474625
2009-07-01	6.61359668708434
2009-10-01	6.34366001517156
2010-01-01	6.82699645498681
2010-04-01	7.65468742358040
2010-07-01	7.40746393991666
2010-10-01	7.93489870257414
2011-01-01	8.05181272922012
2011-04-01	8.13812434611932
2011-07-01	8.36695598108720
2011-10-01	8.26948294050101
2012-01-01	7.77622459625987
2012-04-01	7.92401937652536
2012-07-01	8.88444886836802
2012-10-01	9.10882941794026
2013-01-01	9.99110066185404
2013-04-01	10.14261333610150
2013-07-01	8.81710051141140
2013-10-01	8.87076617644099
2014-01-01	9.43462095829486
2014-04-01	8.69504717155904
2014-07-01	8.94539250897401
2014-10-01	8.86714086407294
2015-01-01	8.29404439957250
2015-04-01	8.53772530780669
2015-07-01	7.75427693730203
2015-10-01	7.77330773417450
2016-01-01	7.74249999092744
2016-04-01	7.38442750848511
2016-07-01	7.17466917770442
2016-10-01	7.73630733518823
2017-01-01	6.83518698134466
2017-04-01	5.74871012263051
2017-07-01	5.59046569075925
2017-10-01	5.01555333915093
2018-01-01	4.80436624123948
2018-04-01	5.05400995552802