Quarter	Percent, Seasonally Adjusted
1987-01-01	4.51066157917244
1987-04-01	4.01047588327860
1987-07-01	3.61161960106948
1987-10-01	3.59254334035424
1988-01-01	3.57854752239287
1988-04-01	3.71529560092775
1988-07-01	3.61871591253082
1988-10-01	3.47998310888930
1989-01-01	3.25682724478044
1989-04-01	3.01782620054362
1989-07-01	3.00091052320938
1989-10-01	2.71514477190231
1990-01-01	2.52044878704921
1990-04-01	2.82973558576511
1990-07-01	2.83575607777281
1990-10-01	2.82181722726264
1991-01-01	2.69661274352530
1991-04-01	2.32537920176131
1991-07-01	2.67603200764723
1991-10-01	2.82341692801138
1992-01-01	2.86917743255128
1992-04-01	2.83121682361856
1992-07-01	2.69218930297650
1992-10-01	2.93702485695268
1993-01-01	3.44974305648612
1993-04-01	3.21779630826387
1993-07-01	3.45604514603248
1993-10-01	3.59453337158860
1994-01-01	3.64410309795264
1994-04-01	3.60324293093650
1994-07-01	3.65216941677785
1994-10-01	3.92784829305916
1995-01-01	5.02592974739255
1995-04-01	6.27201056533040
1995-07-01	6.96314571918098
1995-10-01	6.65232478865098
1996-01-01	5.90154419106715
1996-04-01	5.56459775620728
1996-07-01	5.20976517460024
1996-10-01	5.10315116508097
1997-01-01	4.20652559206690
1997-04-01	3.83676592785489
1997-07-01	3.50106450479035
1997-10-01	3.36426171228061
1998-01-01	3.41242226484257
1998-04-01	3.18921207798400
1998-07-01	3.04227991393319
1998-10-01	2.98516928146739
1999-01-01	2.82130396218867
1999-04-01	2.57873086580689
1999-07-01	2.23168498378893
1999-10-01	2.37173956837960
2000-01-01	2.21537438341472
2000-04-01	2.75617574666667
2000-07-01	2.61234495266667
2000-10-01	2.44520285000000
2001-01-01	2.80405782300000
2001-04-01	2.74995351500000
2001-07-01	2.55305045800000
2001-10-01	2.95778418800000
2002-01-01	3.14275607133333
2002-04-01	3.08353456600000
2002-07-01	2.86574097233333
2002-10-01	2.81974650066667
2003-01-01	3.00068823266667
2003-04-01	3.19223808200000
2003-07-01	3.69428739500000
2003-10-01	3.71217400366667
2004-01-01	3.91757407666667
2004-04-01	3.95179785400000
2004-07-01	3.88461287433333
2004-10-01	3.91831688266667
2005-01-01	3.68626231707210
2005-04-01	3.72276772460680
2005-07-01	3.49790108759027
2005-10-01	3.32965414085258
2006-01-01	3.38020511722854
2006-04-01	3.38688487452238
2006-07-01	3.71283073493113
2006-10-01	3.77814919342018
2007-01-01	3.77099900892540
2007-04-01	3.58513388563843
2007-07-01	3.61245783811547
2007-10-01	3.61304210808888
2008-01-01	3.65303265101684
2008-04-01	3.65839309500401
2008-07-01	3.91696954588578
2008-10-01	4.38839370482774
2009-01-01	4.92633307614086
2009-04-01	5.30464165960755
2009-07-01	5.80586502134785
2009-10-01	5.46687959001239
2010-01-01	5.32367822085133
2010-04-01	5.28233055411918
2010-07-01	5.24424946446665
2010-10-01	5.46759098956751
2011-01-01	5.23689856026769
2011-04-01	5.29438304226322
2011-07-01	5.20370597907337
2011-10-01	5.04697226522301
2012-01-01	4.91687696641009
2012-04-01	4.86948540288926
2012-07-01	4.85472712826392
2012-10-01	5.05219798264774
2013-01-01	5.03937061244606
2013-04-01	5.01692173228119
2013-07-01	4.90636418945468
2013-10-01	4.81070140280903
2014-01-01	4.97417349653730
2014-04-01	4.90122562854017
2014-07-01	4.90487078190313
2014-10-01	4.54514502326351
2015-01-01	4.41091080754667
2015-04-01	4.35542811876902
2015-07-01	4.29831170251831
2015-10-01	4.27948913427439
2016-01-01	4.12634367396208
2016-04-01	3.96536944781544
2016-07-01	3.80473077525339
2016-10-01	3.64427424865648
2017-01-01	3.54723045007081
2017-04-01	3.44731365504598
2017-07-01	3.35355406275934
2017-10-01	3.40390452152253
2018-01-01	3.27862293437386
2018-04-01	3.30840290365421