Quarter	Percent, Seasonally Adjusted
1999-01-01	43.8780491447416
1999-04-01	43.5474137307868
1999-07-01	43.2393534836846
1999-10-01	42.9159593266612
2000-01-01	43.0663489043977
2000-04-01	42.6591999343528
2000-07-01	42.6139148847067
2000-10-01	43.0132643705479
2001-01-01	43.1060699962237
2001-04-01	43.1932968632408
2001-07-01	43.1702964739794
2001-10-01	42.8239749058997
2002-01-01	42.5040192211565
2002-04-01	42.6445598467308
2002-07-01	42.8667646761716
2002-10-01	42.9176007170515
2003-01-01	43.4524339853561
2003-04-01	43.6751899717245
2003-07-01	43.5225172023073
2003-10-01	43.3353121925487
2004-01-01	42.4734355465519
2004-04-01	42.4563126085338
2004-07-01	42.5055813126627
2004-10-01	42.4089484248896
2005-01-01	42.6163988039984
2005-04-01	42.4503867801311
2005-07-01	42.1845130065557
2005-10-01	42.6270988778349
2006-01-01	42.4473287550218
2006-04-01	43.1250484077576
2006-07-01	43.5875318368327
2006-10-01	43.8363444870683
2007-01-01	44.2122126912119
2007-04-01	44.2095087709069
2007-07-01	43.8681094686204
2007-10-01	44.4574088572588
2008-01-01	44.9659760941400
2008-04-01	45.3455002187764
2008-07-01	45.8967237427573
2008-10-01	45.4957905914675
2009-01-01	44.6088016493059
2009-04-01	44.0296461374669
2009-07-01	43.5874853706104
2009-10-01	43.1716117357679
2010-01-01	43.1829800253204
2010-04-01	43.2143250038627
2010-07-01	43.5047259592050
2010-10-01	43.6576822552372
2011-01-01	43.3373059034835
2011-04-01	43.3777056213015
2011-07-01	43.3225584607153
2011-10-01	43.1750020178202
2012-01-01	43.4251604720433
2012-04-01	43.6096149305778
2012-07-01	43.4385019228786
2012-10-01	42.8088574686052
2013-01-01	43.5614150435395
2013-04-01	43.4364235691073
2013-07-01	43.6217054231277
2013-10-01	43.8518810344546
2014-01-01	44.0088759565838
2014-04-01	44.0108232580864
2014-07-01	44.0678632967799
2014-10-01	44.3661099867915
2015-01-01	44.8212621825885
2015-04-01	45.0391614401141
2015-07-01	45.3323740270274
2015-10-01	45.8287403922623
2016-01-01	46.2844756563960
2016-04-01	46.7930173506124
2016-07-01	47.0363072720895
2016-10-01	47.4829762847294
2017-01-01	47.8225823926651
2017-04-01	48.1642393312028
2017-07-01	48.5865709750339
2017-10-01	48.4035438097535
2018-01-01	48.3701921926347
2018-04-01	48.2907056774792