Quarter	Percent, Seasonally Adjusted
1998-01-01	9.05458877758362
1998-04-01	9.42430812190932
1998-07-01	9.24494896956687
1998-10-01	9.28398610044352
1999-01-01	9.07534217302260
1999-04-01	8.87215668982355
1999-07-01	8.94169396105845
1999-10-01	8.71053575061288
2000-01-01	8.77644944589346
2000-04-01	8.37795946741110
2000-07-01	8.11578068307388
2000-10-01	7.75117400439754
2001-01-01	7.61355360165281
2001-04-01	7.48576204231447
2001-07-01	7.47024251907198
2001-10-01	7.23589658315722
2002-01-01	6.97119101510437
2002-04-01	7.12042567115710
2002-07-01	7.19187940891652
2002-10-01	6.93944825894639
2003-01-01	7.10045291596198
2003-04-01	7.00722570723562
2003-07-01	6.82743856035184
2003-10-01	6.55913450579231
2004-01-01	6.50839589757704
2004-04-01	6.45968744874929
2004-07-01	6.21669947092625
2004-10-01	6.42921514272627
2005-01-01	6.49072046768317
2005-04-01	6.32903692255716
2005-07-01	6.15298439899910
2005-10-01	6.09699828104071
2006-01-01	5.77755892928875
2006-04-01	5.45656799122108
2006-07-01	5.39838088272698
2006-10-01	5.42153662268064
2007-01-01	4.98690812902888
2007-04-01	4.80487874105616
2007-07-01	5.00053638643769
2007-10-01	5.08084910676820
2008-01-01	5.33584617274190
2008-04-01	5.63475644595592
2008-07-01	5.51526480101536
2008-10-01	5.86882637841258
2009-01-01	6.37601416698698
2009-04-01	6.53837032286277
2009-07-01	7.22850205118588
2009-10-01	7.25132419897884
2010-01-01	7.51713519499465
2010-04-01	7.81372286164381
2010-07-01	7.60911835012468
2010-10-01	7.56987745368436
2011-01-01	7.32125775279741
2011-04-01	7.16610297205525
2011-07-01	7.62965864237107
2011-10-01	8.49735747985704
2012-01-01	9.29680149039967
2012-04-01	10.03359476293370
2012-07-01	10.01390480104120
2012-10-01	10.63742657765460
2013-01-01	11.19773105379540
2013-04-01	11.79469003314880
2013-07-01	12.04402054928080
2013-10-01	11.80153372919370
2014-01-01	12.22786063976270
2014-04-01	11.82573098275180
2014-07-01	12.28016247093300
2014-10-01	12.16996423573170
2015-01-01	11.84123450782470
2015-04-01	12.03954657669430
2015-07-01	11.16547925625470
2015-10-01	11.23451072106230
2016-01-01	11.06045337981150
2016-04-01	11.03454013504770
2016-07-01	11.27685072797420
2016-10-01	11.19128116674520
2017-01-01	10.82706256861500
2017-04-01	10.55549385748040
2017-07-01	10.67433278579610
2017-10-01	10.32706011862020
2018-01-01	10.27024814729130
2018-04-01	10.29289109262200