Quarter	Percent, Seasonally Adjusted
1998-01-01	7.05976541213705
1998-04-01	6.11989178848824
1998-07-01	6.19758943827259
1998-10-01	6.01971386178192
1999-01-01	5.58262386229406
1999-04-01	5.42966120065081
1999-07-01	5.06950087366145
1999-10-01	5.00320558441548
2000-01-01	5.14777050778085
2000-04-01	5.02078203703883
2000-07-01	5.23800115389994
2000-10-01	4.87654873819092
2001-01-01	5.24292184257057
2001-04-01	5.23599941272059
2001-07-01	4.93547340904186
2001-10-01	5.00611482330766
2002-01-01	5.13440532846357
2002-04-01	5.62076525881900
2002-07-01	6.32617487508837
2002-10-01	7.38000658125485
2003-01-01	7.19613945563551
2003-04-01	7.64103414509448
2003-07-01	7.09507490705484
2003-10-01	7.36834238587128
2004-01-01	7.29119158080750
2004-04-01	7.55123949997301
2004-07-01	7.96890793141953
2004-10-01	7.84660340933309
2005-01-01	8.48753534493612
2005-04-01	8.51304034526758
2005-07-01	8.99109651455323
2005-10-01	9.02510444854644
2006-01-01	8.96955021620816
2006-04-01	8.72855162430412
2006-07-01	9.04672178252463
2006-10-01	9.43843265492914
2007-01-01	9.73443427257608
2007-04-01	9.90247090129780
2007-07-01	9.40966016306744
2007-10-01	9.56099189588613
2008-01-01	8.81977271851778
2008-04-01	8.74523695321906
2008-07-01	9.07320071031493
2008-10-01	8.95594051403744
2009-01-01	9.56353185514950
2009-04-01	9.98394609941126
2009-07-01	10.69777319718480
2009-10-01	10.78114472283270
2010-01-01	11.32470275874610
2010-04-01	12.07233230260420
2010-07-01	12.51656019540280
2010-10-01	12.31744622872750
2011-01-01	12.64473273668850
2011-04-01	12.89517088705460
2011-07-01	13.21469262243380
2011-10-01	14.02589895259040
2012-01-01	14.79222358358900
2012-04-01	15.36755552768730
2012-07-01	15.73500646179010
2012-10-01	16.91296456187660
2013-01-01	17.04830990457150
2013-04-01	17.11551515157180
2013-07-01	16.19668564238910
2013-10-01	15.85796210724260
2014-01-01	14.79328872688480
2014-04-01	14.94683486085240
2014-07-01	14.32508354571490
2014-10-01	13.75000072159680
2015-01-01	13.96793821770970
2015-04-01	12.43950611699790
2015-07-01	12.59644598304960
2015-10-01	12.38923932062510
2016-01-01	12.05517067229990
2016-04-01	11.47010006087820
2016-07-01	10.92257551939380
2016-10-01	10.58537900216040
2017-01-01	10.17735836726090
2017-04-01	9.74168207286306
2017-07-01	9.32731327123776
2017-10-01	8.45560130591676
2018-01-01	7.88362177224490
2018-04-01	7.41865049143494