Quarter Percent, Seasonally Adjusted 2006-01-01 16.2130542710220 2006-04-01 16.1055301536097 2006-07-01 15.8983180540191 2006-10-01 16.2564878168615 2007-01-01 16.4241680374114 2007-04-01 16.2405691856785 2007-07-01 16.2471003505671 2007-10-01 16.2316009517534 2008-01-01 16.0457195989027 2008-04-01 16.0189325013495 2008-07-01 15.9308536103542 2008-10-01 17.6940008592305 2009-01-01 18.9268268901758 2009-04-01 18.7622500643381 2009-07-01 18.1709168945741 2009-10-01 17.6578428340581 2010-01-01 17.1916395202511 2010-04-01 16.8776994609697 2010-07-01 16.7779795199845 2010-10-01 16.6745812740115 2011-01-01 16.2316612667671 2011-04-01 15.9899973056619 2011-07-01 15.9259842014137 2011-10-01 16.0232714121103 2012-01-01 15.9530800480774 2012-04-01 16.1864840913207 2012-07-01 16.2423999468208 2012-10-01 16.4927509307761 2013-01-01 16.4616448297584 2013-04-01 16.7212732833207 2013-07-01 16.7013854687143 2013-10-01 16.8807693704165 2014-01-01 16.9611434828055 2014-04-01 17.3397668683192 2014-07-01 17.2151169405561 2014-10-01 17.5294481089312 2015-01-01 18.0434561011309 2015-04-01 18.1244125459330 2015-07-01 18.4003504767793 2015-10-01 18.5738274917691 2016-01-01 19.3656180319049 2016-04-01 18.8182745789198 2016-07-01 18.8137846635758 2016-10-01 18.5232658949411 2017-01-01 18.0634662398072 2017-04-01 18.2785381536091 2017-07-01 18.3619086533937 2017-10-01 18.0829968529980