Quarter	Percent, Seasonally Adjusted
2005-01-01	66.4540679828926
2005-04-01	65.8402848192960
2005-07-01	65.7582433441579
2005-10-01	65.1364333267441
2006-01-01	64.7701769561925
2006-04-01	64.4595150844842
2006-07-01	64.1055313233480
2006-10-01	63.6187049944652
2007-01-01	63.4665533320624
2007-04-01	62.4553889830591
2007-07-01	62.7827659263731
2007-10-01	62.3303269788481
2008-01-01	62.5661208687858
2008-04-01	61.7688602412794
2008-07-01	61.4634536461525
2008-10-01	61.1715439063986
2009-01-01	60.7041843199004
2009-04-01	59.6974414257570
2009-07-01	60.0608466290991
2009-10-01	59.6504981337835
2010-01-01	59.2430192236105
2010-04-01	59.2366604141856
2010-07-01	58.7641916439701
2010-10-01	58.4987631470013
2011-01-01	57.9248548493002
2011-04-01	57.1109896898606
2011-07-01	56.7252327958610
2011-10-01	56.3132863657119
2012-01-01	55.6755412653994
2012-04-01	54.8639965057186
2012-07-01	54.2806382536509
2012-10-01	54.0724564117349
2013-01-01	53.5271835650702
2013-04-01	53.0257080301069
2013-07-01	52.2162479140994
2013-10-01	51.9087999113423
2014-01-01	51.5083388867075
2014-04-01	50.6578670094928
2014-07-01	50.2095492326075
2014-10-01	49.7588525378968
2015-01-01	49.5130812028450
2015-04-01	48.8719160164477
2015-07-01	48.6788165338702
2015-10-01	48.3348646889094
2016-01-01	47.5718161672813
2016-04-01	46.9555650190466
2016-07-01	46.7506863171905
2016-10-01	46.3453386716263
2017-01-01	45.8562827307570
2017-04-01	45.1657916871762
2017-07-01	45.0849223156471
2017-10-01	44.4971716499678
2018-01-01	44.1267529347793
2018-04-01	43.8860005213172