Quarter	Percent, Seasonally Adjusted
1998-01-01	5.74412770126409
1998-04-01	6.07291724153123
1998-07-01	6.73453552044312
1998-10-01	7.36330023984930
1999-01-01	8.18758516408806
1999-04-01	8.71729446896078
1999-07-01	8.99128560473002
1999-10-01	9.12948923492639
2000-01-01	9.24591738646117
2000-04-01	9.00757137741795
2000-07-01	8.59530760484219
2000-10-01	8.44258224732504
2001-01-01	8.24975302021732
2001-04-01	8.22017928143597
2001-07-01	8.25609154255945
2001-10-01	7.93782453296766
2002-01-01	7.44753710525015
2002-04-01	7.22123198322809
2002-07-01	7.24025769893718
2002-10-01	7.34225581239571
2003-01-01	7.36140199303379
2003-04-01	7.74765329272408
2003-07-01	7.98645908821922
2003-10-01	8.15527684731426
2004-01-01	8.41129920079584
2004-04-01	8.43196213030538
2004-07-01	8.22107927569565
2004-10-01	8.22363445966693
2005-01-01	8.07298187496681
2005-04-01	8.02762877509434
2005-07-01	7.79169868180602
2005-10-01	7.81548788635329
2006-01-01	7.70025392278926
2006-04-01	7.27809538828471
2006-07-01	7.03351252306778
2006-10-01	6.57747695254550
2007-01-01	5.81413035093806
2007-04-01	5.45461262231725
2007-07-01	5.12515134169909
2007-10-01	4.88670328288825
2008-01-01	4.52089493441616
2008-04-01	4.33772666833200
2008-07-01	4.27028696787901
2008-10-01	4.43905046567647
2009-01-01	5.52685841249760
2009-04-01	6.48767673128599
2009-07-01	7.27816323208797
2009-10-01	7.34876946988266
2010-01-01	7.70806740312705
2010-04-01	7.32378908446176
2010-07-01	7.09760805346058
2010-10-01	6.98670087674407
2011-01-01	6.86650096061899
2011-04-01	6.90518345779339
2011-07-01	6.55360177799461
2011-10-01	6.51687921817251
2012-01-01	6.80339613023093
2012-04-01	6.88470503067864
2012-07-01	6.96185671619182
2012-10-01	7.25959495479848
2013-01-01	7.14612500579753
2013-04-01	6.94104976164417
2013-07-01	6.94052299156922
2013-10-01	6.78275379358017
2014-01-01	6.50730780250501
2014-04-01	6.21672905981759
2014-07-01	5.88047661436819
2014-10-01	5.82878538775357
2015-01-01	5.73266428710663
2015-04-01	5.09274321458078
2015-07-01	4.81849294869930
2015-10-01	4.54082690488913
2016-01-01	4.17918373540844
2016-04-01	4.04885093736517
2016-07-01	3.94908656785381
2016-10-01	3.63427230097244
2017-01-01	3.31186666581777
2017-04-01	3.05013500778758
2017-07-01	2.75329395235214
2017-10-01	2.44536108571980
2018-01-01	2.31757750107309
2018-04-01	2.24912550758963