Quarter	Percent, Seasonally Adjusted
1999-01-01	3.79210658648924
1999-04-01	3.84653695973844
1999-07-01	4.06403882308616
1999-10-01	4.21918859829055
2000-01-01	4.05818311407940
2000-04-01	3.64147738901080
2000-07-01	2.95371454563575
2000-10-01	3.47177435584651
2001-01-01	3.65278273616033
2001-04-01	3.01623168299444
2001-07-01	3.42288694030257
2001-10-01	3.87715815871641
2002-01-01	3.75487949900712
2002-04-01	3.41318387887583
2002-07-01	4.36086376311286
2002-10-01	3.82768418103863
2003-01-01	3.61717254788799
2003-04-01	4.53782800604848
2003-07-01	4.07556180731840
2003-10-01	4.65245801692824
2004-01-01	4.07416644677347
2004-04-01	4.45021888498310
2004-07-01	4.93467983774156
2004-10-01	3.91921348196326
2005-01-01	4.42070803287646
2005-04-01	3.76153245717057
2005-07-01	3.40111608819287
2005-10-01	3.13027743686609
2006-01-01	2.17325495846479
2006-04-01	2.68115797433754
2006-07-01	2.57646402785600
2006-10-01	2.26305866965425
2007-01-01	2.73817960822187
2007-04-01	2.48306884262119
2007-07-01	2.84330663922356
2007-10-01	2.74217605592887
2008-01-01	2.21847559131636
2008-04-01	2.11465159495236
2008-07-01	2.31211225454438
2008-10-01	3.23018774494084
2009-01-01	4.43190292867004
2009-04-01	5.42431966352293
2009-07-01	6.49428699788429
2009-10-01	6.64720834469391
2010-01-01	7.89539576750545
2010-04-01	8.01315616510226
2010-07-01	6.58359590519576
2010-10-01	6.56070061171670
2011-01-01	6.70161584513066
2011-04-01	6.13187938299765
2011-07-01	5.97472922458975
2011-10-01	6.52597684277977
2012-01-01	6.55125787283773
2012-04-01	7.06800875589609
2012-07-01	6.56800651667031
2012-10-01	6.34417521270501
2013-01-01	6.18549504303103
2013-04-01	5.33963554127727
2013-07-01	6.17699091610174
2013-10-01	5.24754207691046
2014-01-01	5.36889612389179
2014-04-01	4.89252145992159
2014-07-01	5.68929150435987
2014-10-01	5.55197923001021
2015-01-01	5.68977128642867
2015-04-01	5.93871588684706
2015-07-01	4.99940210963582
2015-10-01	4.95054434047321
2016-01-01	4.15900985142640
2016-04-01	5.03503652283998
2016-07-01	4.90091975481739
2016-10-01	5.08593417985410
2017-01-01	5.49543735585633
2017-04-01	4.93371570831292
2017-07-01	4.65022132180723
2017-10-01	4.64193315621553
2018-01-01	3.57371942412874
2018-04-01	4.05261492206465