Quarter	Percent, Seasonally Adjusted
1986-01-01	36.9236189349663
1986-04-01	36.9293201131499
1986-07-01	36.7693376479430
1986-10-01	36.8022620051454
1987-01-01	36.5598964626254
1987-04-01	36.1646382824328
1987-07-01	36.5290043540130
1987-10-01	36.1725966609728
1988-01-01	36.7678858812312
1988-04-01	36.8422674561298
1988-07-01	37.1609909146176
1988-10-01	37.5953042615672
1989-01-01	38.1829648633246
1989-04-01	38.6529017347739
1989-07-01	38.4453363906975
1989-10-01	38.0258436768213
1990-01-01	37.6479600745190
1990-04-01	36.7027009826528
1990-07-01	36.9475114021880
1990-10-01	36.7807858323266
1991-01-01	36.3882888576198
1991-04-01	36.2901354357783
1991-07-01	36.4844554098446
1991-10-01	37.0375014605510
1992-01-01	36.7394160764281
1992-04-01	36.5905247308678
1992-07-01	37.1208303966428
1992-10-01	36.3305772421276
1993-01-01	37.0972916897502
1993-04-01	36.8266891305962
1993-07-01	36.5091785552260
1993-10-01	36.3337725960412
1994-01-01	35.5216558815979
1994-04-01	35.8827886007465
1994-07-01	35.6262754381872
1994-10-01	34.7216547442074
1995-01-01	35.1184399500736
1995-04-01	34.4872735891407
1995-07-01	34.1739133096033
1995-10-01	33.8502647434811
1996-01-01	33.4409640157057
1996-04-01	32.5721080619378
1996-07-01	32.0099042188372
1996-10-01	33.6134419708434
1997-01-01	32.9919734985455
1997-04-01	32.9288154752840
1997-07-01	32.8421547647955
1997-10-01	33.4948255195289
1998-01-01	33.2317111020768
1998-04-01	33.2586077136109
1998-07-01	33.2497613952959
1998-10-01	33.2672666940748
1999-01-01	33.0099202210379
1999-04-01	32.9252887153209
1999-07-01	32.9494522370857
1999-10-01	32.8856734255881
2000-01-01	32.9158189057013
2000-04-01	33.3459846274554
2000-07-01	32.6495392450885
2000-10-01	32.3661291172611
2001-01-01	32.4606791515072
2001-04-01	31.7907356114410
2001-07-01	32.0430459841404
2001-10-01	31.0959524110510
2002-01-01	31.1981591928370
2002-04-01	31.0394397276072
2002-07-01	31.2444563242697
2002-10-01	31.2958252868494
2003-01-01	31.4873306538974
2003-04-01	31.3533501127311
2003-07-01	30.5982081377084
2003-10-01	30.6739873862507
2004-01-01	30.8168286824304
2004-04-01	31.6818791370486
2004-07-01	30.8404073362446
2004-10-01	29.8395047136272
2005-01-01	30.2489824970418
2005-04-01	30.0904309246798
2005-07-01	28.9427829734992
2005-10-01	29.2021259360031
2006-01-01	28.6296044645131
2006-04-01	28.6316895242665
2006-07-01	29.0281722083558
2006-10-01	29.8041724548910
2007-01-01	28.3632302882145
2007-04-01	28.2844365788665
2007-07-01	29.1068968932161
2007-10-01	28.5114751165447
2008-01-01	29.5589213122079
2008-04-01	28.3704509630112
2008-07-01	27.9111404413260
2008-10-01	27.7685300981629
2009-01-01	28.4818562337448
2009-04-01	28.3493456072380
2009-07-01	28.5543741556118
2009-10-01	28.5355490273562
2010-01-01	28.6802486427772
2010-04-01	28.7157175016166
2010-07-01	28.7916698745123
2010-10-01	28.8998613635755
2011-01-01	28.3259734517093
2011-04-01	28.2391559970524
2011-07-01	28.4264839932948
2011-10-01	28.4421812436435
2012-01-01	28.0641826913819
2012-04-01	27.6886682427889
2012-07-01	27.6782720994021
2012-10-01	29.3341044804622
2013-01-01	27.9876894797061
2013-04-01	27.7892229672651
2013-07-01	27.2208843344622
2013-10-01	26.8927778445286
2014-01-01	26.4709110194160
2014-04-01	27.1158053246171
2014-07-01	26.2145597771474
2014-10-01	25.3614229490913
2015-01-01	25.7533442359767
2015-04-01	25.9420045824244
2015-07-01	26.7212306233126
2015-10-01	26.8731512811933
2016-01-01	25.9819664759654
2016-04-01	25.0934885079602
2016-07-01	25.0995668927147
2016-10-01	24.1377717050983
2017-01-01	23.9521903947617
2017-04-01	24.8342062299808
2017-07-01	23.3245169578005
2017-10-01	23.2512316397053
2018-01-01	23.2348290677464
2018-04-01	23.1776926360058
2018-07-01	22.9918149186257