Quarter	Percent, Seasonally Adjusted
2000-01-01	17.0775807564009
2000-04-01	16.4071464715463
2000-07-01	15.9442235840965
2000-10-01	15.7715988836310
2001-01-01	15.8511019445130
2001-04-01	15.7752201978517
2001-07-01	15.6990874985563
2001-10-01	15.5282628541074
2002-01-01	15.2705061948381
2002-04-01	15.2769460408896
2002-07-01	15.1777939632150
2002-10-01	15.0886784978088
2003-01-01	14.7426091422077
2003-04-01	14.7754268116137
2003-07-01	14.5445819804701
2003-10-01	14.5565017583700
2004-01-01	14.3511338185295
2004-04-01	14.0523291533865
2004-07-01	13.8390122457795
2004-10-01	14.0597238686385
2005-01-01	13.8870459885812
2005-04-01	13.6835710472330
2005-07-01	13.4540529246486
2005-10-01	13.1641869489893
2006-01-01	12.9553502764573
2006-04-01	12.9908535106179
2006-07-01	12.9335647683395
2006-10-01	12.6214858777080
2007-01-01	12.6145752391923
2007-04-01	12.4381831426909
2007-07-01	12.2737451917988
2007-10-01	12.1087716096690
2008-01-01	11.7688718943300
2008-04-01	11.3833419881441
2008-07-01	11.4614566623352
2008-10-01	11.2014844780809
2009-01-01	11.0612797879711
2009-04-01	11.2330723280914
2009-07-01	11.3298819363138
2009-10-01	11.3602008210683
2010-01-01	12.2912517189149
2010-04-01	12.1088488361611
2010-07-01	12.1116629808711
2010-10-01	12.0497434824733
2011-01-01	12.3612325302990
2011-04-01	12.8110999208717
2011-07-01	12.8369045437006
2011-10-01	12.3578752578745
2012-01-01	12.2660073072878
2012-04-01	12.4040238930018
2012-07-01	12.2524726470700
2012-10-01	12.4815573726364
2013-01-01	12.4920087353705
2013-04-01	12.4696239300810
2013-07-01	12.5398077994950
2013-10-01	12.7461839539905
2014-01-01	12.9076103463305
2014-04-01	12.9842101749351
2014-07-01	13.0535359485487
2014-10-01	12.7495898849940
2015-01-01	12.7346733552870
2015-04-01	12.9782497133820
2015-07-01	12.9110619817957
2015-10-01	12.9754779438976
2016-01-01	13.0874332669652
2016-04-01	12.9800920321024
2016-07-01	12.9762132462415
2016-10-01	13.1787775550714
2017-01-01	13.0718775888392
2017-04-01	13.2973806709515
2017-07-01	13.3518396018007
2017-10-01	13.4963127595983
2018-01-01	13.2287622792164
2018-04-01	13.1773384305308