Quarter	Percent, Seasonally Adjusted
1998-01-01	11.69182931470590
1998-04-01	11.96569859693840
1998-07-01	11.83764066493700
1998-10-01	11.93487483565450
1999-01-01	11.67283029342030
1999-04-01	11.56612708272090
1999-07-01	11.44719087092730
1999-10-01	11.10039100645430
2000-01-01	11.13017813954620
2000-04-01	10.75660726613490
2000-07-01	10.51014305936480
2000-10-01	10.00393025218590
2001-01-01	9.83475032541069
2001-04-01	9.56321095344400
2001-07-01	9.54503551772357
2001-10-01	9.26006095627875
2002-01-01	8.98477130699647
2002-04-01	9.20572797399512
2002-07-01	9.09675420114602
2002-10-01	8.83737369695836
2003-01-01	8.81953242805583
2003-04-01	8.92399456751023
2003-07-01	8.71615713534815
2003-10-01	8.31146153787889
2004-01-01	8.33396187961252
2004-04-01	8.00016240859353
2004-07-01	7.82010210378743
2004-10-01	7.90491248084610
2005-01-01	7.89290956554554
2005-04-01	7.72712111848493
2005-07-01	7.64905817813480
2005-10-01	7.71008975668506
2006-01-01	7.22593763614482
2006-04-01	6.74990494198296
2006-07-01	6.59209494057037
2006-10-01	6.58925447767150
2007-01-01	6.00204582740639
2007-04-01	5.88925840511028
2007-07-01	6.15533228939440
2007-10-01	6.29961940404860
2008-01-01	6.58357643188486
2008-04-01	6.90701466206105
2008-07-01	6.68583997170307
2008-10-01	6.77092199446262
2009-01-01	7.37012931703864
2009-04-01	7.49187669215893
2009-07-01	7.99462394574039
2009-10-01	8.20078477046118
2010-01-01	8.41114198369212
2010-04-01	8.51294656599610
2010-07-01	8.29216575627609
2010-10-01	8.30751388025799
2011-01-01	7.94794242183679
2011-04-01	7.92990880128904
2011-07-01	8.43700983082744
2011-10-01	9.18448769534202
2012-01-01	10.07017152042400
2012-04-01	10.64900938337430
2012-07-01	10.75454373713930
2012-10-01	11.23293427258660
2013-01-01	11.85517557275540
2013-04-01	12.20361155640320
2013-07-01	12.35414994959570
2013-10-01	12.28739331663790
2014-01-01	12.70553870879330
2014-04-01	12.43422911666370
2014-07-01	12.83855405900700
2014-10-01	12.88577411576480
2015-01-01	12.24317360822750
2015-04-01	12.33978842936550
2015-07-01	11.54447966310070
2015-10-01	11.58646452884460
2016-01-01	11.47473773607100
2016-04-01	11.76369954824640
2016-07-01	11.84267410440210
2016-10-01	11.81417940960480
2017-01-01	11.49497594080510
2017-04-01	11.18489033776500
2017-07-01	11.39266834686380
2017-10-01	10.89466842563010
2018-01-01	10.98861567993440
2018-04-01	10.90968770650720