Quarter	Percent, Seasonally Adjusted
1991-01-01	12.2855555676582
1991-04-01	13.8439378894187
1991-07-01	14.4758717593933
1991-10-01	13.3110667589915
1992-01-01	12.5377406784442
1992-04-01	13.7868123326712
1992-07-01	13.9619366038706
1992-10-01	14.1704166971194
1993-01-01	13.6779573884732
1993-04-01	14.4104753901015
1993-07-01	15.7187801112156
1993-10-01	14.1661799840722
1994-01-01	13.8041156210490
1994-04-01	12.8886624203822
1994-07-01	14.1682392755105
1994-10-01	12.7978609835166
1995-01-01	13.0173245849217
1995-04-01	12.6375426358083
1995-07-01	14.0305015191572
1995-10-01	13.5709551780802
1996-01-01	12.7897044052905
1996-04-01	13.4571967874459
1996-07-01	14.1510653225509
1996-10-01	13.7975025768405
1997-01-01	13.5847655421175
1997-04-01	13.9350122504719
1997-07-01	14.6843016847740
1997-10-01	14.1038379404437
1998-01-01	13.6261521151400
1998-04-01	13.5692469197355
1998-07-01	15.0239123179772
1998-10-01	14.2093448937439
1999-01-01	13.2744883611936
1999-04-01	13.8703040244025
1999-07-01	14.8373503042291
1999-10-01	14.2453445402507
2000-01-01	13.4845118285191
2000-04-01	13.7808282486370
2000-07-01	14.1122724354779
2000-10-01	13.9485878137803
2001-01-01	12.4041114228177
2001-04-01	13.3669080447229
2001-07-01	13.9838762673676
2001-10-01	15.1875028035706
2002-01-01	14.2116457605449
2002-04-01	14.5620550913030
2002-07-01	15.3378954478513
2002-10-01	15.7311065338798
2003-01-01	13.3599361532322
2003-04-01	14.3288203783649
2003-07-01	14.3161885393122
2003-10-01	15.3294074346706
2004-01-01	13.7491406787076
2004-04-01	14.3726773327311
2004-07-01	15.1413297963203
2004-10-01	15.7034428608818
2005-01-01	14.2644719551836
2005-04-01	14.2668446372459
2005-07-01	14.9428649785172
2005-10-01	15.5791730236458
2006-01-01	13.5947472609987
2006-04-01	14.9109857435001
2006-07-01	14.9001146225643
2006-10-01	15.0687896235321
2007-01-01	13.1812440074878
2007-04-01	14.2270826006600
2007-07-01	14.6132704853236
2007-10-01	14.9675309607194
2008-01-01	13.6343201182559
2008-04-01	14.0893709810359
2008-07-01	14.8301334665620
2008-10-01	16.6757625598086
2009-01-01	16.5003332553531
2009-04-01	17.7209436288849
2009-07-01	17.1506316979542
2009-10-01	17.2898342643646
2010-01-01	15.4576476527007
2010-04-01	15.7081231210158
2010-07-01	15.8242604359308
2010-10-01	15.9834154278731
2011-01-01	14.0507464901806
2011-04-01	14.4282792677452
2011-07-01	14.9960170378612
2011-10-01	16.3513404717817
2012-01-01	14.2285006227122
2012-04-01	15.2172535702067
2012-07-01	15.7085200667847
2012-10-01	16.8326099906391
2013-01-01	14.8407645348930
2013-04-01	15.5832494099380
2013-07-01	16.3195413851509
2013-10-01	17.1590371959423
2014-01-01	15.8381524260807
2014-04-01	16.6119279756195
2014-07-01	16.7072184065528
2014-10-01	18.1460691882527
2015-01-01	16.5125483884998
2015-04-01	16.9187989133770
2015-07-01	17.2162941860820
2015-10-01	19.1503930322369
2016-01-01	17.0476086531944
2016-04-01	17.1721605766234
2016-07-01	17.7318853480506
2016-10-01	19.2426346446622
2017-01-01	16.6505158602674
2017-04-01	17.5737561349413
2017-07-01	17.7017620329021
2017-10-01	18.7659416651739
2018-01-01	16.5614976141454
2018-04-01	17.0679631438578