Quarter	Percent, Seasonally Adjusted
2003-01-01	17.4833483023101
2003-04-01	17.4348570511153
2003-07-01	15.9023652260098
2003-10-01	18.2385104497216
2004-01-01	18.3641517167731
2004-04-01	19.6184390893051
2004-07-01	18.7048558326232
2004-10-01	18.7011621386076
2005-01-01	17.0061694869089
2005-04-01	17.3866408155417
2005-07-01	18.5607944771782
2005-10-01	16.4522876472325
2006-01-01	16.7505700581314
2006-04-01	16.3220872957714
2006-07-01	16.4073106945468
2006-10-01	17.0793013233438
2007-01-01	16.2877175136923
2007-04-01	16.9313508210915
2007-07-01	17.3598398488866
2007-10-01	18.4785589195553
2008-01-01	18.6249726156863
2008-04-01	18.3797597819716
2008-07-01	18.3912481459026
2008-10-01	17.8286776857805
2009-01-01	19.0148940446270
2009-04-01	20.5418855597790
2009-07-01	18.0575421327811
2009-10-01	17.2772381533284
2010-01-01	18.5508710890448
2010-04-01	18.4813195216924
2010-07-01	17.8597692450112
2010-10-01	17.8887475754817
2011-01-01	17.4149042906238
2011-04-01	16.7521975699413
2011-07-01	18.8577552421365
2011-10-01	20.0023960766262
2012-01-01	18.1894394398860
2012-04-01	16.7564617855554
2012-07-01	17.3604215978869
2012-10-01	17.2873128976993
2013-01-01	17.1726012333442
2013-04-01	17.1726160273026
2013-07-01	16.1189904225822
2013-10-01	16.1544618150299
2014-01-01	16.5467565595326
2014-04-01	15.1996577933151
2014-07-01	14.6876415863133
2014-10-01	14.8539914272048
2015-01-01	14.3586998261061
2015-04-01	13.8133450630675
2015-07-01	14.5681668254747
2015-10-01	13.7158816751935
2016-01-01	14.4199262244509
2016-04-01	13.6088552368950
2016-07-01	13.3572638443759
2016-10-01	13.3699118470522
2017-01-01	13.2730522206856
2017-04-01	13.7550083139500
2017-07-01	14.9958001573906
2017-10-01	14.4758191607737
2018-01-01	15.2005251330944
2018-04-01	16.6524021879189