Quarter	Percent, Seasonally Adjusted
2000-01-01	50.2087173762825
2000-04-01	50.3086083232218
2000-07-01	50.3295163423125
2000-10-01	50.2663464357024
2001-01-01	50.3369169995888
2001-04-01	50.1674576525046
2001-07-01	50.3303410406331
2001-10-01	50.6868867135708
2002-01-01	50.8660086609287
2002-04-01	51.2506847114957
2002-07-01	51.5087717612908
2002-10-01	51.7453064023148
2003-01-01	51.9809810059026
2003-04-01	51.9587877962549
2003-07-01	52.0905499336076
2003-10-01	52.1690876396808
2004-01-01	52.0177941015576
2004-04-01	52.3450256245910
2004-07-01	52.3707267887106
2004-10-01	52.2689617484716
2005-01-01	52.3730031485736
2005-04-01	52.2380876892945
2005-07-01	52.2194231050816
2005-10-01	52.4425494738205
2006-01-01	52.9760801258310
2006-04-01	53.2962075362923
2006-07-01	53.5121428319629
2006-10-01	53.8206689240532
2007-01-01	53.8110529497249
2007-04-01	53.7479112841950
2007-07-01	53.7548400724335
2007-10-01	53.6300316544551
2008-01-01	53.5273732139149
2008-04-01	53.4928229154887
2008-07-01	53.3249335069194
2008-10-01	53.2147039397479
2009-01-01	52.7820527430550
2009-04-01	52.7730452827196
2009-07-01	52.7554498233262
2009-10-01	52.6077787487707
2010-01-01	52.5960808636992
2010-04-01	52.3525810806954
2010-07-01	52.2714515261776
2010-10-01	52.4318585990935
2011-01-01	52.3455810452846
2011-04-01	52.3134275605414
2011-07-01	52.2685578186472
2011-10-01	52.0617080218525
2012-01-01	51.8957563423348
2012-04-01	51.8498218056711
2012-07-01	51.8514483306242
2012-10-01	51.8377481087936
2013-01-01	52.0939993631766
2013-04-01	51.8770394037783
2013-07-01	51.7325071834949
2013-10-01	51.6599298138739
2014-01-01	51.3725243858628
2014-04-01	51.5254866468256
2014-07-01	51.5498668267874
2014-10-01	51.5608346010456
2015-01-01	51.6089141611142
2015-04-01	51.6145575439915
2015-07-01	51.5350871773998
2015-10-01	51.5128584736232
2016-01-01	51.6425521694466
2016-04-01	51.6889517383822
2016-07-01	51.6726636504614
2016-10-01	51.6411488270037
2017-01-01	51.5831844551179
2017-04-01	51.4638802927895
2017-07-01	51.5747328086758
2017-10-01	51.6517934842340
2018-01-01	51.6389955731638
2018-04-01	51.6349023786690