Quarter	Percent, Seasonally Adjusted
2006-01-01	18.7264227089994
2006-04-01	18.5647555540403
2006-07-01	19.1845852914417
2006-10-01	19.2884825781790
2007-01-01	19.1967924733546
2007-04-01	19.4452442016175
2007-07-01	19.9541887465503
2007-10-01	19.2426461517444
2008-01-01	19.0523043886638
2008-04-01	18.4304115662956
2008-07-01	18.2819489262154
2008-10-01	19.8432584237888
2009-01-01	22.4744938870224
2009-04-01	22.4461765224114
2009-07-01	21.5558132001971
2009-10-01	20.7035981576913
2010-01-01	20.2243867424222
2010-04-01	19.5653586678607
2010-07-01	19.5950131843918
2010-10-01	19.2975518602384
2011-01-01	18.3875478240819
2011-04-01	17.8693769200444
2011-07-01	18.4117139915632
2011-10-01	18.0495274605769
2012-01-01	17.7853981803482
2012-04-01	18.3766014292540
2012-07-01	18.9894666384245
2012-10-01	18.5731864453379
2013-01-01	18.6864591326898
2013-04-01	18.9758186119360
2013-07-01	19.5343607468691
2013-10-01	19.3151255006670
2014-01-01	20.0110016645100
2014-04-01	20.1302576502053
2014-07-01	20.7379855230744
2014-10-01	20.7243385958344
2015-01-01	21.3487983538966
2015-04-01	21.7770937309398
2015-07-01	22.2808145599981
2015-10-01	22.1078423254611
2016-01-01	22.9150381053562
2016-04-01	22.9625390959368
2016-07-01	22.9893604939931
2016-10-01	22.7488434193156
2017-01-01	21.7169656047364
2017-04-01	22.3729226038680
2017-07-01	22.2233037053341
2017-10-01	21.6382320532544