Quarter	Percent, Seasonally Adjusted
1999-04-01	13.3979666004732
1999-07-01	13.2891056679066
1999-10-01	12.5458426188461
2000-01-01	12.7519944673623
2000-04-01	12.9959763956140
2000-07-01	12.3677038164961
2000-10-01	12.5810975120463
2001-01-01	12.1418722514277
2001-04-01	11.3182840372725
2001-07-01	11.6813338724009
2001-10-01	12.1174940075720
2002-01-01	11.9196161017122
2002-04-01	11.8809325403570
2002-07-01	12.0001681671144
2002-10-01	12.1988243195711
2003-01-01	12.3333402043318
2003-04-01	12.2687760815664
2003-07-01	12.5278103636127
2003-10-01	11.8492775652089
2004-01-01	11.6690219507932
2004-04-01	11.5290588051719
2004-07-01	12.2428376828896
2004-10-01	12.4743117616785
2005-01-01	12.3804257333037
2005-04-01	12.3538441906519
2005-07-01	12.4096811687963
2005-10-01	13.8354599651108
2006-01-01	13.4388264205915
2006-04-01	14.2353863089186
2006-07-01	14.2849014847181
2006-10-01	13.7560372938282
2007-01-01	14.4827024326845
2007-04-01	14.6910466932194
2007-07-01	14.3830358444404
2007-10-01	13.5678673634157
2008-01-01	13.8127560659088
2008-04-01	14.4444802926066
2008-07-01	15.4479476360996
2008-10-01	16.3813556056199
2009-01-01	18.0077219829265
2009-04-01	19.3555288864065
2009-07-01	19.7556315932052
2009-10-01	19.3975245074487
2010-01-01	20.2046663735527
2010-04-01	19.7206162959255
2010-07-01	19.0856664524920
2010-10-01	20.5147069281113
2011-01-01	20.2436412994952
2011-04-01	20.7658007311390
2011-07-01	21.9352446059274
2011-10-01	22.2039353014660
2012-01-01	22.0885642662401
2012-04-01	21.3935187673657
2012-07-01	20.5433058546335
2012-10-01	20.8158320759689
2013-01-01	20.6534458548424
2013-04-01	21.4197626125553
2013-07-01	20.8300690729806
2013-10-01	19.8147834260523
2014-01-01	18.7790381446215
2014-04-01	16.6263693221504
2014-07-01	16.2146944457308
2014-10-01	16.2105912210141
2015-01-01	15.5184061825506
2015-04-01	15.4252236701905
2015-07-01	14.2147410846736
2015-10-01	13.3578911749887
2016-01-01	13.2798960490582
2016-04-01	13.3595753985654
2016-07-01	12.9817081214292
2016-10-01	12.3363230576873
2017-01-01	12.2110023138847
2017-04-01	12.0455037250046
2017-07-01	12.0373750687690
2017-10-01	12.0241108376255
2018-01-01	11.7022027372703
2018-04-01	11.0681240078205