Quarter	Percent, Seasonally Adjusted
1986-01-01	32.7871461366487
1986-04-01	32.0876696503328
1986-07-01	32.0460554717460
1986-10-01	32.4421342363830
1987-01-01	32.1271353429467
1987-04-01	31.1365213751328
1987-07-01	30.8185676408989
1987-10-01	30.4808408287059
1988-01-01	31.8553716643307
1988-04-01	30.9886732611672
1988-07-01	31.0594894984432
1988-10-01	31.3914593195865
1989-01-01	31.7949398294771
1989-04-01	32.2813733966274
1989-07-01	31.5536682741229
1989-10-01	31.4975299449093
1990-01-01	31.7070702764840
1990-04-01	31.0674671475190
1990-07-01	31.0205888979749
1990-10-01	30.3402350404790
1991-01-01	29.9487827211696
1991-04-01	29.7377169151316
1991-07-01	30.1758978716032
1991-10-01	30.6399621904888
1992-01-01	30.1979850369255
1992-04-01	29.5606635227280
1992-07-01	30.4549509223041
1992-10-01	29.6193029180219
1993-01-01	30.6019106485775
1993-04-01	30.0400533640620
1993-07-01	30.2651398707468
1993-10-01	29.8498432009582
1994-01-01	29.4210550926478
1994-04-01	29.4856297838068
1994-07-01	29.4555643219439
1994-10-01	28.4199267824338
1995-01-01	28.9385876208359
1995-04-01	28.3668105762061
1995-07-01	28.1070752953299
1995-10-01	28.4149331841827
1996-01-01	27.7212115878205
1996-04-01	26.9340895916606
1996-07-01	26.2780187714864
1996-10-01	27.3767784272340
1997-01-01	27.9733948181836
1997-04-01	27.5521313963995
1997-07-01	27.3471416055834
1997-10-01	28.0032597771529
1998-01-01	27.7544218187191
1998-04-01	28.1630050024866
1998-07-01	28.0238066177527
1998-10-01	27.2325768128383
1999-01-01	27.3053095520923
1999-04-01	26.8206767117042
1999-07-01	26.8041384063932
1999-10-01	26.2845618697960
2000-01-01	26.3918764664881
2000-04-01	27.3101110097666
2000-07-01	26.3678191130685
2000-10-01	26.1645821159464
2001-01-01	26.0902269574118
2001-04-01	26.1525816294610
2001-07-01	26.1427046829372
2001-10-01	24.8547713811088
2002-01-01	25.2282584087216
2002-04-01	25.9691054876931
2002-07-01	25.4280750637538
2002-10-01	24.7607891414898
2003-01-01	25.9618043712610
2003-04-01	25.9008559238168
2003-07-01	24.9357478568644
2003-10-01	24.9723005976107
2004-01-01	25.1199613489645
2004-04-01	26.1216864865661
2004-07-01	25.0938854996430
2004-10-01	24.3045538771537
2005-01-01	24.4595160209986
2005-04-01	24.2344869349808
2005-07-01	23.4821372515999
2005-10-01	23.9733589290972
2006-01-01	23.7500533048455
2006-04-01	23.2783077594787
2006-07-01	23.4446986438340
2006-10-01	24.5537848894453
2007-01-01	23.4354050721841
2007-04-01	23.4656965518251
2007-07-01	24.2719459007652
2007-10-01	23.0896324323070
2008-01-01	24.3182797758676
2008-04-01	22.8883402437797
2008-07-01	22.0492079852757
2008-10-01	21.9776532932291
2009-01-01	22.4688613478139
2009-04-01	22.5886719173662
2009-07-01	23.0252081493397
2009-10-01	22.7521623300545
2010-01-01	23.2918927300748
2010-04-01	23.6301607722525
2010-07-01	23.7611895915340
2010-10-01	23.5958563817190
2011-01-01	22.6597997059300
2011-04-01	22.5999467796472
2011-07-01	22.7696859151580
2011-10-01	22.3246722264404
2012-01-01	22.5117170173966
2012-04-01	22.6040499889223
2012-07-01	22.4960998620857
2012-10-01	23.2597128505402
2013-01-01	22.2539214643046
2013-04-01	22.7475694766730
2013-07-01	21.5101045989137
2013-10-01	21.0294106323361
2014-01-01	20.9834508539375
2014-04-01	21.9933139413830
2014-07-01	20.4505488602788
2014-10-01	20.5919619491875
2015-01-01	20.4278749233390
2015-04-01	21.0623828869298
2015-07-01	21.7628747474339
2015-10-01	21.3281138125420
2016-01-01	20.7001024883837
2016-04-01	19.8360844172972
2016-07-01	19.3040032439701
2016-10-01	18.2861046167132
2017-01-01	18.2972836817853
2017-04-01	19.2827979603264
2017-07-01	17.9584337629189
2017-10-01	18.0108703642733
2018-01-01	18.0985463082660
2018-04-01	17.5807995692204
2018-07-01	17.8108823343084