Quarter	Percent, Seasonally Adjusted
1999-04-01	5.86378929880382
1999-07-01	5.56053339020538
1999-10-01	5.23492721095458
2000-01-01	4.74005486744917
2000-04-01	4.46460260415002
2000-07-01	3.94320886174357
2000-10-01	3.89121117861966
2001-01-01	3.80557545866580
2001-04-01	3.74902892128010
2001-07-01	3.91712848227649
2001-10-01	3.74155604665955
2002-01-01	4.12124310844276
2002-04-01	3.98549947134749
2002-07-01	4.02582601758630
2002-10-01	4.32270371428898
2003-01-01	4.30729402647582
2003-04-01	4.27039511129028
2003-07-01	4.66911592283373
2003-10-01	4.28046916507618
2004-01-01	4.16214797356607
2004-04-01	4.03224646998237
2004-07-01	4.10604670885856
2004-10-01	4.14895987668143
2005-01-01	3.84690603286588
2005-04-01	3.95232494187757
2005-07-01	4.05135753277612
2005-10-01	4.29270790244218
2006-01-01	4.24542046794573
2006-04-01	4.22101591093824
2006-07-01	4.50106395018058
2006-10-01	4.03949538277731
2007-01-01	5.02993806835414
2007-04-01	5.35125192838577
2007-07-01	4.75463198422736
2007-10-01	4.74577936140646
2008-01-01	4.76145302278984
2008-04-01	5.23599739674260
2008-07-01	6.32389468922333
2008-10-01	6.74181770920677
2009-01-01	8.39958406487883
2009-04-01	9.51803192183716
2009-07-01	10.15941511042470
2009-10-01	10.37317360969740
2010-01-01	10.52635128059570
2010-04-01	11.52283619379830
2010-07-01	11.44491813392060
2010-10-01	12.62156422703420
2011-01-01	12.33374507410930
2011-04-01	12.35179429040790
2011-07-01	12.86318594658650
2011-10-01	13.08058002060420
2012-01-01	13.36565501266120
2012-04-01	12.79070781838870
2012-07-01	12.83238526579380
2012-10-01	12.65505501461580
2013-01-01	13.05164905019550
2013-04-01	13.07491353452100
2013-07-01	11.96485148279700
2013-10-01	12.20720666211170
2014-01-01	11.86964876868300
2014-04-01	11.08308093655290
2014-07-01	10.97546657786960
2014-10-01	10.06886135743620
2015-01-01	9.70578521316926
2015-04-01	9.40035723120270
2015-07-01	8.68584145776289
2015-10-01	8.27432840936900
2016-01-01	7.83673944060532
2016-04-01	8.17204035376056
2016-07-01	7.51042938773415
2016-10-01	7.29871431796660
2017-01-01	7.04361995650832
2017-04-01	6.09486185909883
2017-07-01	6.29960413718877
2017-10-01	6.00783115423119
2018-01-01	5.74823548587847
2018-04-01	5.80270455795865