Quarter	Percent, Seasonally Adjusted
1998-01-01	4.55183249959949
1998-04-01	4.69368057679700
1998-07-01	5.23318566872233
1998-10-01	5.84831612588794
1999-01-01	6.79581851827945
1999-04-01	7.34786649164351
1999-07-01	7.47288334242073
1999-10-01	7.87990746825766
2000-01-01	7.88302826371173
2000-04-01	7.54558491607271
2000-07-01	7.29872316023091
2000-10-01	7.04854726904668
2001-01-01	6.80461295373854
2001-04-01	6.87944357575784
2001-07-01	6.94413370768431
2001-10-01	6.62772010527604
2002-01-01	6.10480445155407
2002-04-01	5.96243692882657
2002-07-01	5.88005872549440
2002-10-01	5.86313481838387
2003-01-01	5.68818342073238
2003-04-01	6.00726650397820
2003-07-01	6.34889197755228
2003-10-01	6.61282062794463
2004-01-01	7.02609739012396
2004-04-01	7.25128345304818
2004-07-01	7.05933635271981
2004-10-01	6.96152426307628
2005-01-01	6.96973549634634
2005-04-01	6.44576489737018
2005-07-01	6.28164573783568
2005-10-01	6.16913316869066
2006-01-01	6.26533651552924
2006-04-01	5.88039197688649
2006-07-01	5.76026205371954
2006-10-01	5.39150211418841
2007-01-01	4.54016530566604
2007-04-01	4.44783063489261
2007-07-01	4.15193125127184
2007-10-01	3.78133998828102
2008-01-01	3.50460576132556
2008-04-01	3.55647920533627
2008-07-01	3.32467901259158
2008-10-01	3.47797388929712
2009-01-01	4.68361190792246
2009-04-01	5.65462508013957
2009-07-01	6.46649061659539
2009-10-01	6.63449066699055
2010-01-01	7.00103810688813
2010-04-01	6.42484565859841
2010-07-01	6.13069769609228
2010-10-01	6.03637421364881
2011-01-01	5.96757742821766
2011-04-01	5.97025594512947
2011-07-01	5.67193619799491
2011-10-01	5.61507183132168
2012-01-01	5.94159201356880
2012-04-01	5.95053154759514
2012-07-01	5.98842732177007
2012-10-01	6.24062654876049
2013-01-01	6.21054564048691
2013-04-01	5.82728945574898
2013-07-01	5.91245438417497
2013-10-01	5.69658888378766
2014-01-01	5.46568177637508
2014-04-01	5.15800643331800
2014-07-01	4.86984812284459
2014-10-01	4.94911476769747
2015-01-01	4.95008081186953
2015-04-01	4.29313267669556
2015-07-01	4.01197970673705
2015-10-01	3.71200313327569
2016-01-01	3.58673359607868
2016-04-01	3.53213632845618
2016-07-01	3.34673947849599
2016-10-01	3.08311015927087
2017-01-01	2.62938089169480
2017-04-01	2.45241111449163
2017-07-01	2.26664318763523
2017-10-01	2.02349893820950
2018-01-01	1.84871739234780
2018-04-01	1.80673098480789