Quarter	Percent, Seasonally Adjusted
1978-04-01	95.0710090065403
1978-07-01	94.7040935157416
1978-10-01	95.0160926106835
1979-01-01	94.8878624882389
1979-04-01	94.9736209323711
1979-07-01	94.6789219234914
1979-10-01	94.6616864094857
1980-01-01	94.6346179755032
1980-04-01	94.5085702863662
1980-07-01	94.6882617356941
1980-10-01	94.6287419687530
1981-01-01	94.4639117399407
1981-04-01	94.3027875085547
1981-07-01	94.4071303104940
1981-10-01	94.0591820947691
1982-01-01	94.1722749688407
1982-04-01	94.0471374746645
1982-07-01	94.0280541858595
1982-10-01	94.2952971767700
1983-01-01	94.1142643554948
1983-04-01	94.0691117236335
1983-07-01	94.2742118572683
1983-10-01	93.9857817276936
1984-01-01	94.2373328868827
1984-04-01	94.1055177433135
1984-07-01	93.8411189807906
1984-10-01	93.6329654825071
1985-01-01	93.5211936545028
1985-04-01	93.2599611873938
1985-07-01	93.4717396507918
1985-10-01	93.5299485002889
1986-01-01	93.6769431815115
1986-04-01	93.5035364401193
1986-07-01	93.6680945009899
1986-10-01	93.5980080444641
1987-01-01	93.5246894526950
1987-04-01	93.3690536263405
1987-07-01	93.3729353075776
1987-10-01	92.8846223049707
1988-01-01	93.0528003782150
1988-04-01	93.3018255409609
1988-07-01	92.6910497004294
1988-10-01	93.1467213257228
1989-01-01	92.7576416501381
1989-04-01	92.9874075720292
1989-07-01	92.8852381043490
1989-10-01	93.1220160945395
1990-01-01	93.1566058527330
1990-04-01	93.3547104809403
1990-07-01	93.4121305164601
1990-10-01	93.1788783612993
1991-01-01	93.2552169837461
1991-04-01	93.2562913514467
1991-07-01	92.9812267520256
1991-10-01	92.8181833562176
1992-01-01	92.6311015643065
1992-04-01	92.4622741989036
1992-07-01	92.3053670460156
1992-10-01	92.3538422704066
1993-01-01	92.3372666110108
1993-04-01	92.2472564668866
1993-07-01	92.1586700930953
1993-10-01	92.2240759173796
1994-01-01	91.6874298976533
1994-04-01	91.6340333262231
1994-07-01	91.7018749254308
1994-10-01	91.3720531339431
1995-01-01	91.6088883862313
1995-04-01	91.6395943008128
1995-07-01	91.7633671108348
1995-10-01	91.8754064589514
1996-01-01	91.8961460683297
1996-04-01	91.5923353821170
1996-07-01	91.5166784246934
1996-10-01	91.2984342280133
1997-01-01	91.2832210431722
1997-04-01	91.0253754773958
1997-07-01	91.0279327899941
1997-10-01	90.9201906868540
1998-01-01	90.9222720565895
1998-04-01	90.7613146346176
1998-07-01	90.8221890157831
1998-10-01	90.7239380226408
1999-01-01	90.6644702414332
1999-04-01	90.4788127465747
1999-07-01	90.3319364728123
1999-10-01	90.2420490107959
2000-01-01	90.0418431482429
2000-04-01	90.2523040998129
2000-07-01	90.3868352426549
2000-10-01	90.2146720281436
2001-01-01	89.9452777376726
2001-04-01	90.2325283394781
2001-07-01	90.1680198028259
2001-10-01	90.2034023073087
2002-01-01	90.2156654303982
2002-04-01	90.3411053186646
2002-07-01	90.0478010489920
2002-10-01	90.1118464764613
2003-01-01	90.1916352757383
2003-04-01	89.7864732108438
2003-07-01	89.5979235373092
2003-10-01	89.8023342869464
2004-01-01	89.9082539133338
2004-04-01	89.8820338012953
2004-07-01	89.7651268075386
2004-10-01	89.9381156653007
2005-01-01	90.1523274667923
2005-04-01	90.3752958748965
2005-07-01	90.4211862727523
2005-10-01	90.2949274286038
2006-01-01	90.2521748632620
2006-04-01	90.2041277810912
2006-07-01	90.4926010895032
2006-10-01	90.3690808128368
2007-01-01	90.4760032175686
2007-04-01	90.7758755627172
2007-07-01	90.9270156871793
2007-10-01	90.9559758899107
2008-01-01	91.0284759724135
2008-04-01	90.9608805830557
2008-07-01	90.8811665339944
2008-10-01	90.8635413550059
2009-01-01	90.3399700774396
2009-04-01	90.4346534219208
2009-07-01	90.3312278014930
2009-10-01	90.3122722747291
2010-01-01	90.4363927455642
2010-04-01	90.3481034665548
2010-07-01	90.5867611667472
2010-10-01	90.8803323895838
2011-01-01	90.8045302191689
2011-04-01	90.6231575392646
2011-07-01	90.5278938065471
2011-10-01	90.4435790300824
2012-01-01	90.3213856909885
2012-04-01	90.1222595916070
2012-07-01	90.1207881827864
2012-10-01	89.9844382114215
2013-01-01	90.1521315855890
2013-04-01	90.2359730674760
2013-07-01	90.0615655147506
2013-10-01	90.1034382207038
2014-01-01	89.8736620047167
2014-04-01	89.8579889605228
2014-07-01	89.8806165783294
2014-10-01	89.8378950884976
2015-01-01	90.3970745273321
2015-04-01	90.2587292209309
2015-07-01	90.4273150251504
2015-10-01	90.1049506330264
2016-01-01	90.2378487767023
2016-04-01	90.0333318932035
2016-07-01	90.0584951120854
2016-10-01	90.2918188249928
2017-01-01	90.1744326365757
2017-04-01	90.3430493984701
2017-07-01	90.2672512229472
2017-10-01	90.4769161747955
2018-01-01	90.3619148266579
2018-04-01	90.5044216406224
2018-07-01	90.3367940707945