Quarter	Percent, Seasonally Adjusted
2005-01-01	42.1399834940701
2005-04-01	42.8551379438785
2005-07-01	43.2846297044862
2005-10-01	44.5371702722279
2006-01-01	45.2848216347602
2006-04-01	45.6888584253023
2006-07-01	46.4641265771079
2006-10-01	47.8412301010220
2007-01-01	47.2976227884866
2007-04-01	49.1643501043934
2007-07-01	49.0187150963222
2007-10-01	50.0315412456157
2008-01-01	49.6102663392479
2008-04-01	50.6177696036919
2008-07-01	50.5948651324502
2008-10-01	51.2866916336618
2009-01-01	51.7843715328558
2009-04-01	53.2657557487774
2009-07-01	52.5827235966710
2009-10-01	53.8176356651307
2010-01-01	54.6395591515240
2010-04-01	54.0661843936696
2010-07-01	54.6419099763596
2010-10-01	55.0443911916683
2011-01-01	56.1742454161871
2011-04-01	56.5741147496169
2011-07-01	57.2179650104001
2011-10-01	57.2526140264311
2012-01-01	57.4679574062145
2012-04-01	57.7960800727680
2012-07-01	58.5638531704001
2012-10-01	58.7786937038276
2013-01-01	60.0901964135034
2013-04-01	60.2661968598339
2013-07-01	61.1558484945245
2013-10-01	61.7249550817714
2014-01-01	62.0871739572376
2014-04-01	62.9301138865212
2014-07-01	63.1708527760392
2014-10-01	63.4207587919674
2015-01-01	63.4731969189666
2015-04-01	63.5374616332048
2015-07-01	63.8914438338385
2015-10-01	64.4483718631276
2016-01-01	65.2177984251990
2016-04-01	65.7997133032234
2016-07-01	66.2186183822656
2016-10-01	66.3870226630397
2017-01-01	66.8532714159978
2017-04-01	67.4299566640292
2017-07-01	67.4272326345524
2017-10-01	68.1122524177313
2018-01-01	68.0488169775486
2018-04-01	68.1752085594139