Quarter	Percent, Seasonally Adjusted
1978-04-01	86.9897407333333
1978-07-01	86.6405808666667
1978-10-01	86.6253734666666
1979-01-01	86.5619596333333
1979-04-01	86.6080229333333
1979-07-01	86.4568026333333
1979-10-01	86.5384909333333
1980-01-01	86.5102566333333
1980-04-01	86.8210193333333
1980-07-01	86.7045957333333
1980-10-01	86.6237734333334
1981-01-01	86.6799424666666
1981-04-01	86.5367738000000
1981-07-01	86.5314635333334
1981-10-01	86.0875487000000
1982-01-01	86.2747680333333
1982-04-01	86.0576175000000
1982-07-01	85.8103578000000
1982-10-01	85.9619396333333
1983-01-01	85.4086512333333
1983-04-01	85.3916695666667
1983-07-01	85.2684234333334
1983-10-01	85.0440066000000
1984-01-01	85.0009576333333
1984-04-01	85.1080239000000
1984-07-01	84.8034356666666
1984-10-01	84.3496591666666
1985-01-01	84.2722235000000
1985-04-01	84.3837468666667
1985-07-01	84.4700618666666
1985-10-01	84.5097232666666
1986-01-01	84.7252461000000
1986-04-01	84.8495726000000
1986-07-01	84.6941318666667
1986-10-01	84.6636299000000
1987-01-01	84.4210178000000
1987-04-01	84.4282792666666
1987-07-01	84.3420718333333
1987-10-01	83.9792413666667
1988-01-01	84.3424208000000
1988-04-01	84.5686779000000
1988-07-01	84.0475892000000
1988-10-01	84.1468398333333
1989-01-01	84.5300844333334
1989-04-01	84.6430637000000
1989-07-01	84.8384087000000
1989-10-01	84.6765763000000
1990-01-01	84.8270975333333
1990-04-01	84.9956555333333
1990-07-01	85.2586959333333
1990-10-01	85.0103387666666
1991-01-01	84.5324642666667
1991-04-01	84.4393640666666
1991-07-01	83.8360165333333
1991-10-01	83.8773325666667
1992-01-01	83.7783911000000
1992-04-01	83.7773696000000
1992-07-01	83.8998146333333
1992-10-01	83.5414168666667
1993-01-01	83.4116369666666
1993-04-01	83.4022949000000
1993-07-01	83.3325395666667
1993-10-01	83.6219029666667
1994-01-01	83.5379320333333
1994-04-01	83.3875823666666
1994-07-01	83.6027493666667
1994-10-01	83.4217628666667
1995-01-01	83.6841334000000
1995-04-01	83.7488119666667
1995-07-01	83.9809894666666
1995-10-01	83.8465630333333
1996-01-01	83.8512294333333
1996-04-01	83.8012075333334
1996-07-01	83.6857681000000
1996-10-01	83.5014045000000
1997-01-01	83.3792936666667
1997-04-01	83.0860683666667
1997-07-01	82.8463141333334
1997-10-01	82.9167669666666
1998-01-01	82.8733828333334
1998-04-01	82.8732381333333
1998-07-01	82.9661054333333
1998-10-01	82.6854285333334
1999-01-01	82.5372241666666
1999-04-01	82.4200989666667
1999-07-01	82.5921039000000
1999-10-01	82.3448081333333
2000-01-01	82.2058746000000
2000-04-01	82.3217396000000
2000-07-01	82.5674631000000
2000-10-01	82.1615720333333
2001-01-01	81.9419233666667
2001-04-01	82.2139015000000
2001-07-01	82.3517817000000
2001-10-01	82.2833427000000
2002-01-01	82.1710541666667
2002-04-01	82.1385483333333
2002-07-01	82.0311015000000
2002-10-01	82.0991111666667
2003-01-01	82.2490935666666
2003-04-01	81.7285597333333
2003-07-01	81.7189395000000
2003-10-01	82.0486806000000
2004-01-01	81.9673042666667
2004-04-01	82.0042558333333
2004-07-01	81.8781733000000
2004-10-01	82.1401112000000
2005-01-01	82.3348226666666
2005-04-01	82.7064651000000
2005-07-01	82.7020782333334
2005-10-01	82.6370628666667
2006-01-01	82.5978210666667
2006-04-01	82.5413496666667
2006-07-01	82.9395792000000
2006-10-01	82.8010017000000
2007-01-01	82.7666380666666
2007-04-01	82.9477002000000
2007-07-01	82.9376455666667
2007-10-01	83.1646255333333
2008-01-01	83.0556999000000
2008-04-01	83.1476163666667
2008-07-01	82.9293160666667
2008-10-01	82.9473859666666
2009-01-01	82.6577483666667
2009-04-01	82.6496205333333
2009-07-01	82.5263740666666
2009-10-01	82.5858447000000
2010-01-01	82.7194426333334
2010-04-01	82.6426824333333
2010-07-01	82.8617472333333
2010-10-01	83.2680124666666
2011-01-01	83.1582865333334
2011-04-01	82.7346699000000
2011-07-01	82.8154900000000
2011-10-01	82.6451674000000
2012-01-01	82.4965856666666
2012-04-01	82.3757078000000
2012-07-01	82.4735020000000
2012-10-01	82.5523905666666
2013-01-01	82.6020671666666
2013-04-01	82.5171766333333
2013-07-01	82.3026069333333
2013-10-01	82.1262589666667
2014-01-01	81.8419884000000
2014-04-01	81.9870563000000
2014-07-01	82.1007814000000
2014-10-01	82.2604070333334
2015-01-01	82.6588848000000
2015-04-01	82.6549727666667
2015-07-01	82.6715591000000
2015-10-01	82.5926514000000
2016-01-01	82.5952062333334
2016-04-01	82.2766916666667
2016-07-01	82.1333752333333
2016-10-01	82.1626343666667
2017-01-01	82.2180467666666
2017-04-01	82.5503969666667
2017-07-01	82.7244083333333
2017-10-01	82.8134281333333
2018-01-01	82.9446086333333
2018-04-01	82.8704524333334
2018-07-01	82.8327676333333