Quarter	Percent, Seasonally Adjusted
1999-01-01	42.8801699437242
1999-04-01	42.9289708307665
1999-07-01	43.0556867561499
1999-10-01	43.3994824148018
2000-01-01	43.2139809710735
2000-04-01	42.4411593597020
2000-07-01	42.5423271521692
2000-10-01	43.3320116748352
2001-01-01	43.6155248106270
2001-04-01	43.7780068994787
2001-07-01	43.5717404161140
2001-10-01	43.6394611381252
2002-01-01	43.3467503834259
2002-04-01	43.3734159460324
2002-07-01	42.9325965348810
2002-10-01	42.7812458045772
2003-01-01	43.3437732455223
2003-04-01	43.1266338079880
2003-07-01	43.0823109704622
2003-10-01	42.1111713828456
2004-01-01	42.1771480441194
2004-04-01	42.1608697782882
2004-07-01	41.8044415426906
2004-10-01	41.9184837298798
2005-01-01	41.0746375415161
2005-04-01	41.1343588784667
2005-07-01	41.1056080841500
2005-10-01	41.1948055415827
2006-01-01	41.4911410588754
2006-04-01	41.2539564134501
2006-07-01	41.3374296124758
2006-10-01	40.3946110426953
2007-01-01	40.3129957899910
2007-04-01	40.3717210378132
2007-07-01	40.7654141945329
2007-10-01	40.1702935586757
2008-01-01	39.9476225570828
2008-04-01	40.7144022042819
2008-07-01	39.7499037093341
2008-10-01	40.6050048904566
2009-01-01	40.1411006084058
2009-04-01	40.5457979300873
2009-07-01	40.5501798767944
2009-10-01	40.2807319374201
2010-01-01	39.5225844966832
2010-04-01	40.0141039165462
2010-07-01	39.7811932459432
2010-10-01	39.5080446122153
2011-01-01	41.0639682089929
2011-04-01	40.1415276805234
2011-07-01	40.6624249287951
2011-10-01	40.6111723936598
2012-01-01	40.8572668890410
2012-04-01	40.6369215383832
2012-07-01	40.4283401158865
2012-10-01	40.2407663741015
2013-01-01	40.4556538965353
2013-04-01	39.8888525316601
2013-07-01	39.8214659569511
2013-10-01	40.4674878945890
2014-01-01	40.2422842469416
2014-04-01	39.9918044461184
2014-07-01	40.0838999251598
2014-10-01	40.0604957987276
2015-01-01	39.8422303193930
2015-04-01	40.5306925639576
2015-07-01	40.5243046318615
2015-10-01	40.4703695936972
2016-01-01	40.7594233426814
2016-04-01	40.5813172393010
2016-07-01	40.8469229554300
2016-10-01	40.1275885766484
2017-01-01	40.6432489458810
2017-04-01	40.4327893518192
2017-07-01	40.2959132277147
2017-10-01	40.1934483610527
2018-01-01	40.2461149006459
2018-04-01	40.3654485428506