Quarter	Percent, Seasonally Adjusted
2005-01-01	13.9179605490189
2005-04-01	13.7571347100391
2005-07-01	13.3885758084759
2005-10-01	13.1312106190308
2006-01-01	13.0153495092972
2006-04-01	12.5976159693731
2006-07-01	12.5255575959456
2006-10-01	12.2320497631657
2007-01-01	11.9844931302709
2007-04-01	12.0059826346076
2007-07-01	12.1661642625932
2007-10-01	12.0489859658372
2008-01-01	12.1253381917528
2008-04-01	12.4702907345165
2008-07-01	13.4108026824102
2008-10-01	14.7193003304924
2009-01-01	16.5271823438022
2009-04-01	17.8815299484071
2009-07-01	18.1449882066400
2009-10-01	18.4719167913701
2010-01-01	18.6167249744724
2010-04-01	17.8066692915156
2010-07-01	17.2079301874587
2010-10-01	17.1793489125141
2011-01-01	16.8792748749892
2011-04-01	16.7916755137056
2011-07-01	16.8444210548573
2011-10-01	16.7872167550061
2012-01-01	16.7906499820631
2012-04-01	16.8515961065662
2012-07-01	16.7076834296205
2012-10-01	16.8160752185585
2013-01-01	16.9518155826078
2013-04-01	16.7887208999929
2013-07-01	16.7397359297679
2013-10-01	15.9492692428691
2014-01-01	15.9643563399754
2014-04-01	15.6424999549427
2014-07-01	15.5837091853373
2014-10-01	14.8479575961888
2015-01-01	14.6722552933829
2015-04-01	14.5504183989401
2015-07-01	13.9685061669270
2015-10-01	13.9345035708258
2016-01-01	13.4737800816748
2016-04-01	13.4114296716125
2016-07-01	13.3498966959953
2016-10-01	13.1975910885238
2017-01-01	12.7231595457787
2017-04-01	12.3963545654329
2017-07-01	12.1534190183333
2017-10-01	11.7659513068520
2018-01-01	11.4006610820953
2018-04-01	11.4545186232757