Quarter	Percent, Seasonally Adjusted
1981-01-01	7.80371035308199
1981-04-01	9.78082752970094
1981-07-01	13.60248447204970
1981-10-01	8.38107881498044
1982-01-01	7.57091935244319
1982-04-01	9.63183093940895
1982-07-01	12.65278251963130
1982-10-01	8.68772339339120
1983-01-01	7.81358148119665
1983-04-01	10.30495258862790
1983-07-01	13.93524070584200
1983-10-01	8.71900173748223
1984-01-01	7.78585833893540
1984-04-01	9.10201912858661
1984-07-01	11.85705822157590
1984-10-01	7.76225444712494
1985-01-01	7.50568197376708
1985-04-01	9.43244600703164
1985-07-01	13.12326128825170
1985-10-01	8.56621652436089
1986-01-01	8.26258584329206
1986-04-01	10.71783407848980
1986-07-01	14.99832607967860
1986-10-01	8.91850969295306
1987-01-01	8.70762211909070
1987-04-01	10.77649200987090
1987-07-01	14.63179730330420
1987-10-01	9.14498657531710
1988-01-01	9.23265751431948
1988-04-01	10.55708390646490
1988-07-01	14.17085654753820
1988-10-01	9.07589033647713
1989-01-01	9.03869079874282
1989-04-01	11.11363730312930
1989-07-01	14.92434815356330
1989-10-01	9.91452268111036
1990-01-01	9.21861091209101
1990-04-01	11.48244523846510
1990-07-01	14.35659872349190
1990-10-01	9.93947572894941
1991-01-01	10.11490605806500
1991-04-01	12.02512160581240
1991-07-01	15.16152793854570
1991-10-01	11.09686491852100
1992-01-01	9.79701036181416
1992-04-01	12.08741265362550
1992-07-01	14.92294419826670
1992-10-01	10.74422899353650
1993-01-01	10.09383205714390
1993-04-01	11.50008233163180
1993-07-01	14.67630853994490
1993-10-01	10.22993365422140
1994-01-01	10.51139125644100
1994-04-01	11.59482999274190
1994-07-01	12.88377268294020
1994-10-01	9.01279284833539
1995-01-01	8.93232895474071
1995-04-01	10.27086137281290
1995-07-01	13.40721372366940
1995-10-01	9.31784303054681
1996-01-01	9.71709271730997
1996-04-01	10.80188890380910
1996-07-01	13.77438278875170
1996-10-01	9.86712986983690
1997-01-01	9.67713624345880
1997-04-01	10.84218831654560
1997-07-01	13.74410046364640
1997-10-01	9.68265162200282
1998-01-01	10.70254871038310
1998-04-01	11.88595217349210
1998-07-01	14.64124454929560
1998-10-01	10.23481273960480
1999-01-01	10.48038548544310
1999-04-01	11.34345712071030
1999-07-01	13.90456994986810
1999-10-01	10.09205394328020
2000-01-01	10.37932571392190
2000-04-01	11.01966676384190
2000-07-01	13.65100239858330
2000-10-01	9.88734829061381
2001-01-01	10.10426498348280
2001-04-01	11.22727742583320
2001-07-01	14.75033386534640
2001-10-01	11.17882932488210
2002-01-01	11.49542383517660
2002-04-01	12.11513643067850
2002-07-01	14.82055571328820
2002-10-01	11.34962302738010
2003-01-01	11.53017663415970
2003-04-01	12.26016868508590
2003-07-01	15.00285690964000
2003-10-01	12.14613201368170
2004-01-01	12.03845881269050
2004-04-01	12.06611685965920
2004-07-01	14.65281337771390
2004-10-01	12.18300653594770
2005-01-01	12.09922788211690
2005-04-01	12.49484932560500
2005-07-01	14.32542359024670
2005-10-01	11.46025999670890
2006-01-01	11.59220146222580
2006-04-01	12.38381539392580
2006-07-01	14.13676603791050
2006-10-01	11.72345083439300
2007-01-01	11.26129580633200
2007-04-01	11.90919286656230
2007-07-01	13.72569327567900
2007-10-01	11.82783604062590
2008-01-01	11.73129550265920
2008-04-01	11.70560720272920
2008-07-01	13.22006167753480
2008-10-01	12.81291757999430
2009-01-01	14.45358676040560
2009-04-01	15.68591569466770
2009-07-01	16.65286943084430
2009-10-01	14.67182953303260
2010-01-01	13.87291525167910
2010-04-01	14.23087746134360
2010-07-01	15.72365620106650
2010-10-01	13.30601074107950
2011-01-01	13.02306245399780
2011-04-01	13.85970546405470
2011-07-01	14.70010422917780
2011-10-01	12.84264522732040
2012-01-01	13.09765267115280
2012-04-01	14.25951022723690
2012-07-01	15.37942664418210
2012-10-01	13.70412228585140
2013-01-01	13.61503837681010
2013-04-01	14.22715885424530
2013-07-01	15.19305747704690
2013-10-01	13.56687138512910
2014-01-01	13.03465241500320
2014-04-01	13.47810354976860
2014-07-01	14.51571530707480
2014-10-01	13.22760937198870
2015-01-01	13.76858032428020
2015-04-01	14.32843300125820
2015-07-01	15.07052110249780
2015-10-01	13.76716560267930
2016-01-01	14.22911264204070
2016-04-01	15.09454925227210
2016-07-01	15.79997318675430
2016-10-01	13.75199096911870
2017-01-01	13.70414615558900
2017-04-01	14.06941704211940
2017-07-01	15.79774198278210
2017-10-01	13.73503662676430
2018-01-01	13.99471822213360
2018-04-01	13.64221718109120