Quarter	Percent, Seasonally Adjusted
1986-01-01	2.02798990809438
1986-04-01	2.08910737007842
1986-07-01	2.24421608483085
1986-10-01	2.55267598349781
1987-01-01	2.47252956326124
1987-04-01	2.35140878935424
1987-07-01	2.66746741209542
1987-10-01	2.80411085333659
1988-01-01	3.12425325684047
1988-04-01	3.62775014870272
1988-07-01	4.57927800160263
1988-10-01	4.72328245926877
1989-01-01	5.20519806315065
1989-04-01	5.64409134804131
1989-07-01	5.31121135296337
1989-10-01	5.48459319811111
1990-01-01	5.87364051871047
1990-04-01	6.44067899493571
1990-07-01	6.23097816253228
1990-10-01	7.38732880412354
1991-01-01	7.97736309203216
1991-04-01	8.36797484821852
1991-07-01	8.81151069834967
1991-10-01	9.24912792238239
1992-01-01	8.88628135398415
1992-04-01	8.74945408114870
1992-07-01	8.93847631323035
1992-10-01	8.86373367594552
1993-01-01	8.41215977049058
1993-04-01	8.18907430113295
1993-07-01	8.33343446485710
1993-10-01	8.09191144268986
1994-01-01	7.73767417535556
1994-04-01	7.13436271941126
1994-07-01	6.96994022243895
1994-10-01	6.11788607551064
1995-01-01	5.65393117093851
1995-04-01	4.90971129990492
1995-07-01	4.76599690672261
1995-10-01	4.73732210963446
1996-01-01	4.91430790163633
1996-04-01	4.67459690561409
1996-07-01	4.75558466777603
1996-10-01	4.95305041420070
1997-01-01	5.29249945196705
1997-04-01	5.18295427564283
1997-07-01	5.41694697421635
1997-10-01	5.40702104932420
1998-01-01	5.66043866225991
1998-04-01	6.13364877444691
1998-07-01	6.32764413546369
1998-10-01	6.14650043538203
1999-01-01	6.17208380769428
1999-04-01	5.80617605047016
1999-07-01	5.60018293409723
1999-10-01	5.12007020545069
2000-01-01	4.75435746282340
2000-04-01	4.76808754454548
2000-07-01	4.65361505063386
2000-10-01	4.25521169688469
2001-01-01	4.09694502794047
2001-04-01	4.14936969697418
2001-07-01	4.15147357074591
2001-10-01	4.13779241210418
2002-01-01	4.15401416407099
2002-04-01	3.62185901102788
2002-07-01	3.79309843570662
2002-10-01	3.65381353881180
2003-01-01	3.44476155436375
2003-04-01	3.36433836400760
2003-07-01	3.06035989236936
2003-10-01	3.06457844865873
2004-01-01	2.81255523001580
2004-04-01	2.41673338890232
2004-07-01	2.31204662078072
2004-10-01	2.26263262678814
2005-01-01	2.36382849358017
2005-04-01	2.55129230826712
2005-07-01	2.08860237051886
2005-10-01	2.22259231565232
2006-01-01	2.56429449582896
2006-04-01	2.17873306291312
2006-07-01	2.34471125635499
2006-10-01	2.17397284883963
2007-01-01	1.97423881797104
2007-04-01	2.23747578434671
2007-07-01	1.75794955898158
2007-10-01	2.10698180401514
2008-01-01	2.04721607279707
2008-04-01	2.47707626725366
2008-07-01	2.55401599482821
2008-10-01	2.79784545594676
2009-01-01	3.50441517864218
2009-04-01	3.93497739897174
2009-07-01	4.17385762651354
2009-10-01	4.44827443388207
2010-01-01	3.78081470882612
2010-04-01	4.54281231242257
2010-07-01	3.75585814158994
2010-10-01	4.09795202371590
2011-01-01	3.47400239842544
2011-04-01	3.87818338381929
2011-07-01	3.60884941082850
2011-10-01	4.02760599928058
2012-01-01	3.88761828801162
2012-04-01	4.33713912400782
2012-07-01	4.43042191939346
2012-10-01	3.99126139110701
2013-01-01	3.41193735463332
2013-04-01	3.85108883708735
2013-07-01	3.63253500915606
2013-10-01	3.10209246180351
2014-01-01	3.33464537575818
2014-04-01	3.04133554207348
2014-07-01	3.07102055446313
2014-10-01	2.96393789139153
2015-01-01	3.40433548393398
2015-04-01	3.20338015486620
2015-07-01	3.29003698176436
2015-10-01	2.88666471754562
2016-01-01	3.29354574739952
2016-04-01	3.21263475656180
2016-07-01	2.97845771509952
2016-10-01	3.13320883971376
2017-01-01	2.79268910620730
2017-04-01	2.93860143309264
2017-07-01	2.49518460545603
2017-10-01	2.49629513051987
2018-01-01	2.48848890056932
2018-04-01	2.67390351476268
2018-07-01	2.62712209427431