Quarter	Percent, Seasonally Adjusted
1998-01-01	6.09174345431300
1998-04-01	5.96306474913306
1998-07-01	5.72822524866866
1998-10-01	5.48630432308326
1999-01-01	5.10069157681854
1999-04-01	5.07519260556420
1999-07-01	4.75491093279949
1999-10-01	4.50744141703228
2000-01-01	3.67590658177278
2000-04-01	3.74242057281326
2000-07-01	3.81498330193084
2000-10-01	3.78337398887058
2001-01-01	2.84949306577963
2001-04-01	2.75378026058156
2001-07-01	2.79219818379812
2001-10-01	2.87547421243279
2002-01-01	2.99599210702658
2002-04-01	3.03094688024932
2002-07-01	3.17532827304870
2002-10-01	3.31977575591201
2003-01-01	3.43626797660286
2003-04-01	3.78181909517462
2003-07-01	4.05136799928147
2003-10-01	4.28758582454087
2004-01-01	4.65470087424796
2004-04-01	4.86643515503950
2004-07-01	4.80672654184200
2004-10-01	5.04378806145818
2005-01-01	5.11997957903119
2005-04-01	5.11817979899022
2005-07-01	5.13627869683120
2005-10-01	4.89193617049216
2006-01-01	4.63262640660898
2006-04-01	4.41798846366121
2006-07-01	4.23771994642903
2006-10-01	4.15829725440943
2007-01-01	3.98595810390356
2007-04-01	3.69672450063636
2007-07-01	3.56553082867856
2007-10-01	3.29878122057314
2008-01-01	3.15428843578698
2008-04-01	3.07550129865904
2008-07-01	2.86883303478606
2008-10-01	2.93372233292596
2009-01-01	2.98407483658988
2009-04-01	3.25197751173009
2009-07-01	3.67431662018883
2009-10-01	3.94890711957920
2010-01-01	4.30974170192060
2010-04-01	4.49401829356167
2010-07-01	4.56429709631015
2010-10-01	4.67766365837207
2011-01-01	5.07826632789329
2011-04-01	5.18046193659187
2011-07-01	5.53721615502753
2011-10-01	5.85561815278730
2012-01-01	5.95113418923412
2012-04-01	6.16730646429246
2012-07-01	6.25460217120859
2012-10-01	6.54137769464289
2013-01-01	6.76057743228427
2013-04-01	7.12861776949826
2013-07-01	7.59748326879866
2013-10-01	7.72288464573303
2014-01-01	7.90029689382137
2014-04-01	7.89802710789943
2014-07-01	7.63472465101920
2014-10-01	7.54955658537100
2015-01-01	7.40014399642076
2015-04-01	7.29907437444942
2015-07-01	7.26208535764635
2015-10-01	7.13368293109961
2016-01-01	6.97086539774476
2016-04-01	6.63406227522583
2016-07-01	6.35428045460543
2016-10-01	6.07236394760578
2017-01-01	5.74138365897843
2017-04-01	5.48862573839876
2017-07-01	5.07673603133569
2017-10-01	4.71776159887173
2018-01-01	4.42352299279161
2018-04-01	4.07196581354829