Quarter	Percent, Seasonally Adjusted
1998-01-01	27.3258728318218
1998-04-01	26.8144906944770
1998-07-01	26.6871353232184
1998-10-01	26.5062527124049
1999-01-01	26.4058770390823
1999-04-01	26.2148287660878
1999-07-01	26.0590503329038
1999-10-01	26.0789445851943
2000-01-01	26.0693137027304
2000-04-01	25.9229028429891
2000-07-01	25.4980802299677
2000-10-01	25.2915679358724
2001-01-01	24.9474486521590
2001-04-01	25.0920513366833
2001-07-01	24.7602528167397
2001-10-01	24.8727226786923
2002-01-01	24.4331414310499
2002-04-01	24.3672152867538
2002-07-01	24.1254110069925
2002-10-01	24.0886611849040
2003-01-01	23.9107761556255
2003-04-01	23.6752613707571
2003-07-01	23.5871007914912
2003-10-01	23.8142000348336
2004-01-01	22.2629785061168
2004-04-01	22.4841203959884
2004-07-01	22.4529081402560
2004-10-01	22.2116036993111
2005-01-01	22.4437206235481
2005-04-01	22.5833520114977
2005-07-01	22.8304918607966
2005-10-01	22.3875443381458
2006-01-01	22.0748106875941
2006-04-01	21.9458381932296
2006-07-01	22.4376582598355
2006-10-01	22.2782395315933
2007-01-01	22.9218057066207
2007-04-01	22.7637643255690
2007-07-01	22.1451367457268
2007-10-01	22.0445217484784
2008-01-01	21.8055037718525
2008-04-01	21.6863316144020
2008-07-01	21.9246505984648
2008-10-01	22.2235150016544
2009-01-01	22.6097054953575
2009-04-01	22.8056044434069
2009-07-01	22.7755787067471
2009-10-01	23.0087271610277
2010-01-01	23.0447793159763
2010-04-01	22.9917963248795
2010-07-01	23.3062255500219
2010-10-01	23.2295764874661
2011-01-01	23.2689291755331
2011-04-01	23.2107682886602
2011-07-01	23.0668047062366
2011-10-01	23.0453288123933
2012-01-01	22.2675786893689
2012-04-01	22.0280852870064
2012-07-01	22.2674905241127
2012-10-01	22.1206037933264
2013-01-01	22.2785358152974
2013-04-01	22.8376014437102
2013-07-01	23.1573368816752
2013-10-01	23.1372535125662
2014-01-01	22.8629725485345
2014-04-01	23.4781841373713
2014-07-01	23.0972666102735
2014-10-01	22.6432644901483
2015-01-01	23.2243837062561
2015-04-01	23.1936116196232
2015-07-01	23.3510494724711
2015-10-01	23.1844397467347
2016-01-01	23.1772349937994
2016-04-01	22.3892481611372
2016-07-01	22.3230309549087
2016-10-01	22.2972960627577
2017-01-01	21.9838165319397
2017-04-01	22.3831284599637
2017-07-01	21.9249019012222
2017-10-01	22.3015316136124
2018-01-01	22.2494201151057
2018-04-01	21.5988597110064