Quarter	Percent, Seasonally Adjusted
2001-01-01	44.7251075849862
2001-04-01	44.5748669471853
2001-07-01	43.9494276294467
2001-10-01	43.5064989700787
2002-01-01	43.1818252819839
2002-04-01	42.6213287131968
2002-07-01	42.7358770363692
2002-10-01	42.5747928521567
2003-01-01	42.0402091250108
2003-04-01	42.0539666987030
2003-07-01	40.8285910199499
2003-10-01	39.9574628410974
2004-01-01	39.5126350066544
2004-04-01	38.1743802983820
2004-07-01	39.4863479144299
2004-10-01	39.4485960474390
2005-01-01	39.4375992630072
2005-04-01	39.0727112386415
2005-07-01	38.2824584518322
2005-10-01	39.0480326095431
2006-01-01	39.1536564838674
2006-04-01	39.7841436708907
2006-07-01	40.9306957806461
2006-10-01	41.3174477811458
2007-01-01	42.2840321199803
2007-04-01	41.1120750065256
2007-07-01	42.5814668307113
2007-10-01	42.7330248985208
2008-01-01	42.9946485163855
2008-04-01	42.1989020870614
2008-07-01	42.3750921826031
2008-10-01	41.0983437030993
2009-01-01	39.6628361522242
2009-04-01	39.1619191572849
2009-07-01	36.9859702012441
2009-10-01	37.2108006327735
2010-01-01	37.3210312260447
2010-04-01	38.5903793891513
2010-07-01	39.5314099170239
2010-10-01	39.8716956629858
2011-01-01	40.6864304701127
2011-04-01	40.9136810604010
2011-07-01	41.1133366082142
2011-10-01	40.8993266180953
2012-01-01	40.2024383060926
2012-04-01	40.2260371518282
2012-07-01	40.1334055297463
2012-10-01	40.0605168530823
2013-01-01	40.8149586763708
2013-04-01	41.3874501791494
2013-07-01	41.8411933637212
2013-10-01	42.6265975752892
2014-01-01	42.4249056470584
2014-04-01	42.4036177455367
2014-07-01	43.4559557697227
2014-10-01	42.7663613330957
2015-01-01	43.6317753177517
2015-04-01	43.1994799227763
2015-07-01	44.0815301085853
2015-10-01	44.6390025904401
2016-01-01	44.5100423760097
2016-04-01	45.2180602079628
2016-07-01	43.6338075516454
2016-10-01	44.4545015583420
2017-01-01	44.7180534289556
2017-04-01	44.4981792747984
2017-07-01	44.9959733665471
2017-10-01	45.3760096166863
2018-01-01	45.3352538574384
2018-04-01	44.8085295322728