Quarter	Percent, Seasonally Adjusted
2007-01-01	50.5022190880336
2007-04-01	48.5731761022301
2007-07-01	50.6387006728633
2007-10-01	51.8098452707275
2008-01-01	48.1565250394502
2008-04-01	49.1359306825276
2008-07-01	47.5678522119233
2008-10-01	47.3670137315776
2009-01-01	50.6896433051827
2009-04-01	49.7377655622757
2009-07-01	49.4800322159660
2009-10-01	49.6278480679306
2010-01-01	49.8784392377417
2010-04-01	49.2255509856289
2010-07-01	49.9773326443781
2010-10-01	50.0506430033251
2011-01-01	51.2405139347257
2011-04-01	50.0446465855822
2011-07-01	49.7333151194094
2011-10-01	49.9518224603525
2012-01-01	50.9207950602082
2012-04-01	51.3389885867750
2012-07-01	53.2325547697457
2012-10-01	52.0531738983774
2013-01-01	52.4072208855570
2013-04-01	53.3628596346136
2013-07-01	51.6771478049466
2013-10-01	52.5028854464331
2014-01-01	53.3651084163896
2014-04-01	53.3126101362814
2014-07-01	52.9866283344185
2014-10-01	54.0889789501842
2015-01-01	55.4743425498718
2015-04-01	55.1326362624835
2015-07-01	53.9771326501506
2015-10-01	53.6428170444818
2016-01-01	53.1597599965492
2016-04-01	53.1279015372594
2016-07-01	53.7889187715914
2016-10-01	53.9733065312724
2017-01-01	54.8715333063100
2017-04-01	54.6007431806097
2017-07-01	56.1006031691733
2017-10-01	54.2985259434235
2018-01-01	56.1427899996602
2018-04-01	55.2098386542076