Quarter	Percent, Seasonally Adjusted
2004-01-01	20.96897827835560
2004-04-01	20.36206753884730
2004-07-01	20.88492424808640
2004-10-01	21.15962291840270
2005-01-01	20.84686242604200
2005-04-01	19.52641864495120
2005-07-01	20.21353608089340
2005-10-01	20.10214758920860
2006-01-01	20.32514041917910
2006-04-01	19.29463943390200
2006-07-01	19.45013562175260
2006-10-01	20.57503187640820
2007-01-01	19.23396416142120
2007-04-01	17.84132817260320
2007-07-01	18.68087651827310
2007-10-01	21.49512579897960
2008-01-01	21.34305078587560
2008-04-01	17.15389168059180
2008-07-01	20.61634383751230
2008-10-01	17.46162172373960
2009-01-01	16.66817360897590
2009-04-01	17.52647300970360
2009-07-01	15.60722156291210
2009-10-01	16.59894004815040
2010-01-01	15.81936447481350
2010-04-01	16.78519418261210
2010-07-01	15.96429431523440
2010-10-01	15.47723496150490
2011-01-01	15.94082740421600
2011-04-01	15.79534362566580
2011-07-01	15.84645974019790
2011-10-01	15.13243231130640
2012-01-01	14.68016191607030
2012-04-01	13.00189637402990
2012-07-01	13.57869236337320
2012-10-01	13.81823297267080
2013-01-01	12.95729316808930
2013-04-01	13.29171547104860
2013-07-01	12.30636033720920
2013-10-01	11.00627345265790
2014-01-01	12.28032180349630
2014-04-01	13.47443930232720
2014-07-01	11.98212435428610
2014-10-01	10.69026030944380
2015-01-01	9.30970438781817
2015-04-01	9.36683469146082
2015-07-01	8.65588870725901
2015-10-01	7.91588629839973
2016-01-01	11.54895749492160
2016-04-01	9.94106502675766
2016-07-01	10.27258478798910
2016-10-01	10.16791191258820
2017-01-01	9.61057417558806
2017-04-01	8.88250863139868
2017-07-01	9.26805426392799
2017-10-01	9.09498364738043
2018-01-01	10.30545966305000
2018-04-01	9.93503704151588