Quarter	Percent, Seasonally Adjusted
1998-01-01	11.67969381756640
1998-04-01	11.94457830485460
1998-07-01	11.82273634350160
1998-10-01	11.91245243428960
1999-01-01	11.65012522327420
1999-04-01	11.54866202602080
1999-07-01	11.42819501907300
1999-10-01	11.07944160506200
2000-01-01	11.11409328792610
2000-04-01	10.74197478950610
2000-07-01	10.49415358695360
2000-10-01	9.98966844540808
2001-01-01	9.80987080579428
2001-04-01	9.53518802108359
2001-07-01	9.51511096731271
2001-10-01	9.23209701764614
2002-01-01	8.95941423444053
2002-04-01	9.18183210639273
2002-07-01	9.07014440154707
2002-10-01	8.81417169025462
2003-01-01	8.79521134147962
2003-04-01	8.90100163131632
2003-07-01	8.69623113320535
2003-10-01	8.29219806409740
2004-01-01	8.31890224525424
2004-04-01	7.98458184758031
2004-07-01	7.80276506635135
2004-10-01	7.88824177843429
2005-01-01	7.87756973655252
2005-04-01	7.71346930860093
2005-07-01	7.63460846389407
2005-10-01	7.69547646359145
2006-01-01	7.21165472243143
2006-04-01	6.73593808559659
2006-07-01	6.58000022544680
2006-10-01	6.57650304234018
2007-01-01	5.99143426920808
2007-04-01	5.87762062131526
2007-07-01	6.14346386465176
2007-10-01	6.28544636740515
2008-01-01	6.56881606475843
2008-04-01	6.89293734603360
2008-07-01	6.67136528543506
2008-10-01	6.75840822690070
2009-01-01	7.35480369845889
2009-04-01	7.47730020144336
2009-07-01	7.97895723082710
2009-10-01	8.18424411822308
2010-01-01	8.39399556324327
2010-04-01	8.49460334400471
2010-07-01	8.27298982226956
2010-10-01	8.28788200136070
2011-01-01	7.93076721863468
2011-04-01	7.91199161690313
2011-07-01	8.41967083409514
2011-10-01	9.16540424934297
2012-01-01	10.04879498264540
2012-04-01	10.62595927367000
2012-07-01	10.72975622899370
2012-10-01	11.20878484547720
2013-01-01	11.82946385012990
2013-04-01	12.17696334944400
2013-07-01	12.32720599257280
2013-10-01	12.26182008108910
2014-01-01	12.67569313425780
2014-04-01	12.40092119712580
2014-07-01	12.80356612234590
2014-10-01	12.84853806863430
2015-01-01	12.21002118610990
2015-04-01	12.30776574528920
2015-07-01	11.51422924950100
2015-10-01	11.55130552329410
2016-01-01	11.43727144354550
2016-04-01	11.72700746933610
2016-07-01	11.80588101681830
2016-10-01	11.77967244263050
2017-01-01	11.46320361277470
2017-04-01	11.15383254313900
2017-07-01	11.35989577731360
2017-10-01	10.86402342275790
2018-01-01	10.95704426652680
2018-04-01	10.87725089488260