Quarter	Percent, Seasonally Adjusted
1998-01-01	7.22791465750711
1998-04-01	7.76358839563554
1998-07-01	8.58346003808275
1998-10-01	9.22979932787155
1999-01-01	9.90817212555902
1999-04-01	10.45303351718050
1999-07-01	10.92347314192720
1999-10-01	10.73355788509600
2000-01-01	10.97927077315260
2000-04-01	10.87913802601660
2000-07-01	10.27063647839180
2000-10-01	10.22217513396310
2001-01-01	10.08037033454120
2001-04-01	9.92250172883011
2001-07-01	9.92970491279284
2001-10-01	9.60284363911176
2002-01-01	9.17271985900022
2002-04-01	8.86445198484774
2002-07-01	9.00504727998481
2002-10-01	9.22853884292972
2003-01-01	9.49500735259210
2003-04-01	9.97238884444687
2003-07-01	10.08959396877130
2003-10-01	10.17226356688600
2004-01-01	10.22236031957660
2004-04-01	9.98398243241156
2004-07-01	9.75046985754651
2004-10-01	9.91090534407497
2005-01-01	9.55888423808919
2005-04-01	10.09825080734240
2005-07-01	9.76940920651366
2005-10-01	9.97511364978934
2006-01-01	9.57563685892378
2006-04-01	9.12037500432223
2006-07-01	8.73450137881542
2006-10-01	8.16447768549564
2007-01-01	7.52955165527200
2007-04-01	6.81340521998169
2007-07-01	6.45943385966478
2007-10-01	6.39328380585274
2008-01-01	5.91753179742813
2008-04-01	5.42290298274103
2008-07-01	5.57160447535657
2008-10-01	5.76477584189603
2009-01-01	6.73108896574472
2009-04-01	7.69757566488369
2009-07-01	8.45148819593323
2009-10-01	8.40259438137680
2010-01-01	8.77005546206345
2010-04-01	8.62440071269322
2010-07-01	8.45353061620677
2010-10-01	8.32381146770066
2011-01-01	8.13867744079928
2011-04-01	8.21933496691655
2011-07-01	7.77668508915880
2011-10-01	7.76837177809849
2012-01-01	8.00436446724315
2012-04-01	8.16406069632074
2012-07-01	8.28451925722504
2012-10-01	8.65428227800572
2013-01-01	8.47668390926933
2013-04-01	8.47830634817460
2013-07-01	8.36332371416736
2013-10-01	8.27424696827024
2014-01-01	7.96774051531580
2014-04-01	7.67776053933060
2014-07-01	7.28208048927353
2014-10-01	7.05060227463171
2015-01-01	6.85239406727172
2015-04-01	6.21312574546508
2015-07-01	5.95521120078459
2015-10-01	5.67866751587538
2016-01-01	5.05342839223645
2016-04-01	4.79874110838434
2016-07-01	4.79359475759072
2016-10-01	4.37154202306391
2017-01-01	4.26014428561788
2017-04-01	3.87398850799968
2017-07-01	3.40541106922003
2017-10-01	3.01975050929388
2018-01-01	2.94295518761752
2018-04-01	2.86108627667373