Quarter	Percent, Seasonally Adjusted
1999-01-01	51.3484832691163
1999-04-01	51.2516548446681
1999-07-01	51.3265147169246
1999-10-01	50.7037617370970
2000-01-01	51.2489486058821
2000-04-01	51.2624020519827
2000-07-01	51.0283086316087
2000-10-01	51.3076740885638
2001-01-01	51.3168743532051
2001-04-01	51.0636436559857
2001-07-01	51.6056982441389
2001-10-01	51.7787772829056
2002-01-01	51.0311299138475
2002-04-01	51.2704831932905
2002-07-01	50.9818648575487
2002-10-01	50.7638835242286
2003-01-01	50.5459046302847
2003-04-01	50.4614062509996
2003-07-01	50.7212216338900
2003-10-01	50.3696331775450
2004-01-01	50.5807675637612
2004-04-01	50.9724231396309
2004-07-01	51.2624150977411
2004-10-01	50.8038417670536
2005-01-01	50.8828035907363
2005-04-01	50.7281545268418
2005-07-01	50.8846092575519
2005-10-01	51.5333031124695
2006-01-01	51.5949359683437
2006-04-01	51.5521504525522
2006-07-01	52.0592002203971
2006-10-01	52.0344264393986
2007-01-01	51.8629239020884
2007-04-01	51.5971565428028
2007-07-01	51.1767927060048
2007-10-01	51.6146296779431
2008-01-01	51.7026904978606
2008-04-01	52.1609563675235
2008-07-01	52.1510872862887
2008-10-01	52.0252381424975
2009-01-01	51.1651835711904
2009-04-01	50.4285169437104
2009-07-01	50.2308305354435
2009-10-01	49.0401106789357
2010-01-01	49.0519732646399
2010-04-01	48.9400295742152
2010-07-01	48.7709476831500
2010-10-01	48.5458696461394
2011-01-01	48.5963416412538
2011-04-01	48.6998780145346
2011-07-01	48.6864537222000
2011-10-01	48.2629428879467
2012-01-01	48.3246975627489
2012-04-01	48.1850498841330
2012-07-01	47.9757624576449
2012-10-01	48.0404123930027
2013-01-01	47.9385785638067
2013-04-01	48.0479547307336
2013-07-01	47.9772891701945
2013-10-01	47.7145213690112
2014-01-01	47.5345319824003
2014-04-01	47.9082933798238
2014-07-01	48.4445085691215
2014-10-01	48.6719303285086