Quarter	Percent, Seasonally Adjusted
1998-01-01	7.72334309153236
1998-04-01	7.53676530729347
1998-07-01	7.42320217885691
1998-10-01	7.45729890178577
1999-01-01	7.88971091856308
1999-04-01	8.12105566359389
1999-07-01	8.28924268392470
1999-10-01	8.53183543262308
2000-01-01	7.82553057473456
2000-04-01	7.87661832468184
2000-07-01	7.64800963868467
2000-10-01	7.20459267980393
2001-01-01	7.11762754910822
2001-04-01	7.31411686314323
2001-07-01	7.36757420271233
2001-10-01	7.67368385844812
2002-01-01	7.30480257801994
2002-04-01	6.84323491597751
2002-07-01	6.83271170944490
2002-10-01	6.70332454877728
2003-01-01	6.44528484962464
2003-04-01	6.42153790739728
2003-07-01	6.28695818631940
2003-10-01	6.24310768512954
2004-01-01	7.03980471579623
2004-04-01	6.80233144179171
2004-07-01	6.72645618945459
2004-10-01	6.52848855080720
2005-01-01	6.21437289987042
2005-04-01	6.27968740982306
2005-07-01	6.63922531772432
2005-10-01	6.24132115160348
2006-01-01	5.95227344100822
2006-04-01	5.99482626959605
2006-07-01	5.67754034249064
2006-10-01	5.56761209197947
2007-01-01	5.35339895507139
2007-04-01	5.31458604528894
2007-07-01	5.42905685689798
2007-10-01	5.23524681003051
2008-01-01	5.12534089932340
2008-04-01	5.04896262793640
2008-07-01	5.28861951372884
2008-10-01	5.41355952567346
2009-01-01	6.40388644720070
2009-04-01	6.80223068106455
2009-07-01	7.34166405567718
2009-10-01	7.84848679140898
2010-01-01	8.68867670453361
2010-04-01	9.88103202007139
2010-07-01	10.56715493043210
2010-10-01	11.75792107180610
2011-01-01	13.04740611091990
2011-04-01	14.33641813475010
2011-07-01	16.02305008786710
2011-10-01	18.15267337967770
2012-01-01	19.49363368115550
2012-04-01	21.51952094786480
2012-07-01	22.73592843565260
2012-10-01	23.54727210520260
2013-01-01	24.40043092555210
2013-04-01	24.80210235886750
2013-07-01	24.91050558892980
2013-10-01	24.66975128932450
2014-01-01	24.39904696516940
2014-04-01	24.06816371077610
2014-07-01	23.52044693689400
2014-10-01	23.14373916303740
2015-01-01	22.83785984863430
2015-04-01	22.06728482888780
2015-07-01	21.60483258317120
2015-10-01	20.99707542740530
2016-01-01	20.44980555848700
2016-04-01	19.95083614250330
2016-07-01	19.77899644307780
2016-10-01	19.61247256888650
2017-01-01	19.01882243278570
2017-04-01	18.19265324983090
2017-07-01	17.39495494449220
2017-10-01	17.11503346813290
2018-01-01	16.48618831248970
2018-04-01	15.74584950999000