Quarter	Percent, Seasonally Adjusted
1998-01-01	7.21788684398595
1998-04-01	7.78246156340748
1998-07-01	8.59765441693769
1998-10-01	9.23384341201824
1999-01-01	9.90979126649588
1999-04-01	10.41188554803880
1999-07-01	10.87039114378840
1999-10-01	10.67451521483450
2000-01-01	10.93100788316070
2000-04-01	10.82226601715390
2000-07-01	10.21104419857890
2000-10-01	10.16408395192840
2001-01-01	10.03162323190670
2001-04-01	9.89014194300068
2001-07-01	9.89325277863272
2001-10-01	9.58621122105645
2002-01-01	9.13896458281655
2002-04-01	8.80878868644510
2002-07-01	8.95091134823957
2002-10-01	9.19823206456544
2003-01-01	9.44983084340818
2003-04-01	9.91368039748500
2003-07-01	10.04069583776460
2003-10-01	10.09516932181240
2004-01-01	10.15096403841700
2004-04-01	9.92325742581164
2004-07-01	9.69576171574568
2004-10-01	9.83106303444268
2005-01-01	9.49397030236014
2005-04-01	10.04846255600170
2005-07-01	9.71612179557198
2005-10-01	9.90703187557205
2006-01-01	9.53020067921841
2006-04-01	9.06267386523724
2006-07-01	8.66756874065482
2006-10-01	8.11068726833873
2007-01-01	7.45488887660681
2007-04-01	6.75978656897358
2007-07-01	6.39766785111517
2007-10-01	6.33243618214131
2008-01-01	5.85715493397210
2008-04-01	5.36710134719844
2008-07-01	5.51675930099804
2008-10-01	5.70752004106887
2009-01-01	6.64823999769545
2009-04-01	7.59690888220200
2009-07-01	8.35804057850461
2009-10-01	8.30451292627954
2010-01-01	8.66414385227800
2010-04-01	8.52814059942246
2010-07-01	8.38466329442225
2010-10-01	8.24440470413915
2011-01-01	8.05408739033036
2011-04-01	8.13067822288938
2011-07-01	7.70157665885565
2011-10-01	7.69050041486346
2012-01-01	7.92863118463233
2012-04-01	8.09454020131576
2012-07-01	8.21842387913698
2012-10-01	8.57453410536272
2013-01-01	8.35328167236724
2013-04-01	8.36163468394926
2013-07-01	8.25925580207545
2013-10-01	8.17528764451216
2014-01-01	7.85230835799318
2014-04-01	7.58631422395289
2014-07-01	7.18411656561781
2014-10-01	6.95721837569492
2015-01-01	6.73579280697214
2015-04-01	6.11324066869890
2015-07-01	5.84368384417780
2015-10-01	5.60240726603119
2016-01-01	4.93670311731532
2016-04-01	4.70822075148158
2016-07-01	4.71499476673233
2016-10-01	4.33110808380936
2017-01-01	4.17006071187913
2017-04-01	3.80615465163348
2017-07-01	3.36537289502183
2017-10-01	2.97902438547218
2018-01-01	2.90765420648937
2018-04-01	2.80645401319634