Quarter	Percent, Seasonally Adjusted
2005-01-01	49.1744429837464
2005-04-01	49.2759484153544
2005-07-01	49.4242365593943
2005-10-01	49.5998690892006
2006-01-01	49.9949072297919
2006-04-01	50.2366117477142
2006-07-01	50.4318314708002
2006-10-01	50.6354453414356
2007-01-01	50.9090567392961
2007-04-01	51.1468404816786
2007-07-01	51.3900394758725
2007-10-01	51.6302182178366
2008-01-01	51.8010365925149
2008-04-01	51.8950909666183
2008-07-01	52.0125705882763
2008-10-01	51.9372014397945
2009-01-01	51.6161490242620
2009-04-01	51.5171932303437
2009-07-01	51.3665281260056
2009-10-01	51.4281210388247
2010-01-01	51.2124347255318
2010-04-01	51.2871004078391
2010-07-01	51.4131295603781
2010-10-01	51.4082062480180
2011-01-01	51.4808472384313
2011-04-01	51.5331363400891
2011-07-01	51.5015120693079
2011-10-01	51.5298481994959
2012-01-01	51.5325909185379
2012-04-01	51.5570216003953
2012-07-01	51.5673633669894
2012-10-01	51.5730093139379
2013-01-01	51.5170831426830
2013-04-01	51.5598136152148
2013-07-01	51.6491516097605
2013-10-01	51.7487249812833
2014-01-01	51.9711620314672
2014-04-01	52.0903929355718
2014-07-01	52.2651946797747
2014-10-01	52.4240076068843
2015-01-01	52.5241061807572
2015-04-01	52.6995911232423
2015-07-01	52.8675453093498
2015-10-01	53.0500418555604
2016-01-01	53.2669893118370
2016-04-01	53.4405179232887
2016-07-01	53.6852830620377
2016-10-01	53.8656051430120
2017-01-01	54.0464740764267
2017-04-01	54.3129339937018
2017-07-01	54.4398730989711
2017-10-01	54.6356923450106
2018-01-01	54.7860338509796
2018-04-01	54.9470328163361