Quarter	Percent, Seasonally Adjusted
1998-01-01	16.35851105167450
1998-04-01	16.45051390181930
1998-07-01	16.37677928155870
1998-10-01	16.55855372047650
1999-01-01	16.16115466956830
1999-04-01	16.19709527000600
1999-07-01	15.75357349159610
1999-10-01	15.19814482051080
2000-01-01	15.18647946279920
2000-04-01	14.80124450040670
2000-07-01	14.54847940016490
2000-10-01	13.79357926703490
2001-01-01	13.56605035600720
2001-04-01	13.02829784125010
2001-07-01	13.00332828162100
2001-10-01	12.62464234223290
2002-01-01	12.28699266753790
2002-04-01	12.65403485815840
2002-07-01	12.23742776207790
2002-10-01	11.97464932797360
2003-01-01	11.68846880029040
2003-04-01	12.06258134713840
2003-07-01	11.79336527187350
2003-10-01	11.22242865724730
2004-01-01	11.16253805139540
2004-04-01	10.44810615264300
2004-07-01	10.32753697547010
2004-10-01	10.23534770947570
2005-01-01	10.12710161280170
2005-04-01	9.96334488465226
2005-07-01	10.06622439857030
2005-10-01	10.26228997900120
2006-01-01	9.53768964621183
2006-04-01	8.78809965370284
2006-07-01	8.51134395893127
2006-10-01	8.45115100060343
2007-01-01	7.66471321033170
2007-04-01	7.65111190714388
2007-07-01	8.00268672817537
2007-10-01	8.25747464125074
2008-01-01	8.51290231699783
2008-04-01	8.89122893804671
2008-07-01	8.53523584944948
2008-10-01	8.22702661246979
2009-01-01	8.99203766633296
2009-04-01	9.07090090039502
2009-07-01	9.30567272774110
2009-10-01	9.76475900418709
2010-01-01	9.91499583706988
2010-04-01	9.74808109687377
2010-07-01	9.47129499333410
2010-10-01	9.55908937323305
2011-01-01	9.04536768330560
2011-04-01	9.20525516110209
2011-07-01	9.81502575664530
2011-10-01	10.40012620263300
2012-01-01	11.39997428293450
2012-04-01	11.77012891974770
2012-07-01	12.06285838244700
2012-10-01	12.37813484197430
2013-01-01	13.12040189313550
2013-04-01	13.10475717242260
2013-07-01	13.17391839617170
2013-10-01	13.31253566442860
2014-01-01	13.72285388291180
2014-04-01	13.68418611407450
2014-07-01	14.01742889615480
2014-10-01	14.29873514193910
2015-01-01	13.18932281309970
2015-04-01	13.19471736253970
2015-07-01	12.43124526825160
2015-10-01	12.44206872052670
2016-01-01	12.41942101434150
2016-04-01	13.10652262565860
2016-07-01	12.98553614671040
2016-10-01	13.08364313008940
2017-01-01	12.80823416053710
2017-04-01	12.44237416026960
2017-07-01	12.80350733012410
2017-10-01	12.08885739031430
2018-01-01	12.36431082723620
2018-04-01	12.18132929549260