Quarter	Percent, Seasonally Adjusted
1986-01-01	23.8714071939762
1986-04-01	24.4764606697600
1986-07-01	24.4395931455631
1986-10-01	24.6546047223115
1987-01-01	24.6645222155417
1987-04-01	25.1710883160352
1987-07-01	24.7459257931524
1987-10-01	24.8972206237442
1988-01-01	25.3469112878865
1988-04-01	25.9114714589533
1988-07-01	26.1728446937307
1988-10-01	26.8100468019728
1989-01-01	26.7664160920993
1989-04-01	27.2486404031698
1989-07-01	27.4718363447413
1989-10-01	27.6404990780708
1990-01-01	27.8538692929944
1990-04-01	28.0107837417431
1990-07-01	27.7213767954105
1990-10-01	27.9593620453759
1991-01-01	27.8083805020696
1991-04-01	27.0294750575326
1991-07-01	27.7520569678885
1991-10-01	27.7482794248266
1992-01-01	28.7048696779230
1992-04-01	28.6153337706794
1992-07-01	28.9925519788497
1992-10-01	29.8097865838171
1993-01-01	30.5931394070628
1993-04-01	30.3151290826331
1993-07-01	31.9153469618854
1993-10-01	31.2445962838543
1994-01-01	31.0856968168162
1994-04-01	30.7388761697735
1994-07-01	30.3728893537218
1994-10-01	30.9266071588026
1995-01-01	31.0472918175747
1995-04-01	30.5515019528234
1995-07-01	30.6577288317543
1995-10-01	30.6243905113781
1996-01-01	31.2858466958949
1996-04-01	31.3665275711349
1996-07-01	30.9027259347570
1996-10-01	31.3666272438861
1997-01-01	31.0380693915175
1997-04-01	31.6488358436480
1997-07-01	33.1033219223701
1997-10-01	31.9319294992857
1998-01-01	31.9548607113001
1998-04-01	32.4758692493068
1998-07-01	32.6248254192095
1998-10-01	32.6519486944205
1999-01-01	32.0309969238642
1999-04-01	31.2342821042982
1999-07-01	31.6850980368230
1999-10-01	32.2043540786776
2000-01-01	32.1536421626956
2000-04-01	32.1363595564623
2000-07-01	31.7055447394096
2000-10-01	31.5665924413356
2001-01-01	30.8643820121054
2001-04-01	31.3184141539469
2001-07-01	31.6789158436885
2001-10-01	31.8282142304079
2002-01-01	31.3783622393167
2002-04-01	31.1947666954726
2002-07-01	31.4360371989489
2002-10-01	31.8256153241736
2003-01-01	32.7456060036300
2003-04-01	32.9029364413098
2003-07-01	32.3277792850500
2003-10-01	33.1448018336803
2004-01-01	33.5621468184621
2004-04-01	33.4909750658499
2004-07-01	33.5891331086686
2004-10-01	34.8305876177492
2005-01-01	35.0404584540665
2005-04-01	35.3481340765606
2005-07-01	35.0938582602127
2005-10-01	34.9123061511902
2006-01-01	34.9005061714910
2006-04-01	34.8214629592647
2006-07-01	34.5805371824526
2006-10-01	35.0464288301712
2007-01-01	35.7375175452253
2007-04-01	35.6768829386372
2007-07-01	35.6023210391765
2007-10-01	35.9572307726129
2008-01-01	36.8296436888140
2008-04-01	36.9811930419465
2008-07-01	36.8862471486969
2008-10-01	37.2363339735031
2009-01-01	36.6837072587609
2009-04-01	36.7914740967121
2009-07-01	36.7253781838105
2009-10-01	37.3046376381702
2010-01-01	39.6170961146436
2010-04-01	40.4574962560984
2010-07-01	41.8929818511487
2010-10-01	41.8955901112507
2011-01-01	42.5643685426450
2011-04-01	43.5703697913571
2011-07-01	43.6102622735506
2011-10-01	43.2324259011058
2012-01-01	43.7414269766354
2012-04-01	43.9268233231652
2012-07-01	44.1250825175169
2012-10-01	43.5529900877540
2013-01-01	44.1965828320450
2013-04-01	44.6147629515519
2013-07-01	44.3865088108416
2013-10-01	44.5219100281776
2014-01-01	45.2093475412450
2014-04-01	44.9946509150446
2014-07-01	45.2593771055857
2014-10-01	44.8367405234862
2015-01-01	44.4462726354636
2015-04-01	44.8921267091310
2015-07-01	45.1525356076316
2015-10-01	45.2410526753793
2016-01-01	44.4102452255504
2016-04-01	44.7887095084811
2016-07-01	44.7633124714542
2016-10-01	44.6822297821648
2017-01-01	44.3475430107280
2017-04-01	44.8714473838848
2017-07-01	45.6134465908260
2017-10-01	45.3032004331647
2018-01-01	45.6139969784911
2018-04-01	45.4493083061322
2018-07-01	45.1083483714765