Quarter	Percent, Seasonally Adjusted
1998-01-01	5.74805313622413
1998-04-01	6.06849710003765
1998-07-01	6.74639354411870
1998-10-01	7.37012947734317
1999-01-01	8.21107574726065
1999-04-01	8.76530488642030
1999-07-01	9.04059460452782
1999-10-01	9.17816701688918
2000-01-01	9.31477464699516
2000-04-01	9.08786857722376
2000-07-01	8.66030764243087
2000-10-01	8.50317003355024
2001-01-01	8.29190447408834
2001-04-01	8.26991190664636
2001-07-01	8.30125404959732
2001-10-01	7.98683352954913
2002-01-01	7.49702775249608
2002-04-01	7.26299761231521
2002-07-01	7.28167430830562
2002-10-01	7.37523267820230
2003-01-01	7.39452763865515
2003-04-01	7.79083988315030
2003-07-01	8.04513007536304
2003-10-01	8.22163789344113
2004-01-01	8.48622815245251
2004-04-01	8.50021211382098
2004-07-01	8.26928215125053
2004-10-01	8.28047181374924
2005-01-01	8.12844318231409
2005-04-01	8.06794401992384
2005-07-01	7.84248383218310
2005-10-01	7.88442723480968
2006-01-01	7.74645203331049
2006-04-01	7.33075536556636
2006-07-01	7.09962251254640
2006-10-01	6.63173153422681
2007-01-01	5.87758303286019
2007-04-01	5.50473681691425
2007-07-01	5.18312904352237
2007-10-01	4.93313773685995
2008-01-01	4.56923011411666
2008-04-01	4.39113256575639
2008-07-01	4.31992819007065
2008-10-01	4.48353154581028
2009-01-01	5.60626061258439
2009-04-01	6.58962328107363
2009-07-01	7.37504697084652
2009-10-01	7.43023260920084
2010-01-01	7.83541960710685
2010-04-01	7.41475018605255
2010-07-01	7.16148426590870
2010-10-01	7.05911721575736
2011-01-01	6.97401437384206
2011-04-01	6.98940834351904
2011-07-01	6.61821128600347
2011-10-01	6.58107354141723
2012-01-01	6.88248490306817
2012-04-01	6.94391161222584
2012-07-01	7.02491296989974
2012-10-01	7.32517584209666
2013-01-01	7.25067615055144
2013-04-01	7.02444145802183
2013-07-01	7.03695989597231
2013-10-01	6.88858961523153
2014-01-01	6.60749459901405
2014-04-01	6.29766586896936
2014-07-01	5.95874062920412
2014-10-01	5.91324947044393
2015-01-01	5.82215273591871
2015-04-01	5.16696615551870
2015-07-01	4.91193939195039
2015-10-01	4.61675823479093
2016-01-01	4.26846117578298
2016-04-01	4.13338144598714
2016-07-01	4.02363899680527
2016-10-01	3.68557096870152
2017-01-01	3.37878566410148
2017-04-01	3.10641878354970
2017-07-01	2.78760450202453
2017-10-01	2.49150796280781
2018-01-01	2.35719349493176
2018-04-01	2.29327532959642