Quarter	Percent, Seasonally Adjusted
2001-01-01	27.4199860524952
2001-04-01	27.4401596209194
2001-07-01	26.6980295169946
2001-10-01	26.2240530368896
2002-01-01	26.0034862401134
2002-04-01	25.6040893629026
2002-07-01	25.6827672838711
2002-10-01	25.7069226911036
2003-01-01	25.8532096038713
2003-04-01	25.0320046824877
2003-07-01	24.7510706367649
2003-10-01	24.6675589582936
2004-01-01	24.3269172223343
2004-04-01	24.4311879769853
2004-07-01	24.0722550857663
2004-10-01	24.7266469336324
2005-01-01	23.5913725174771
2005-04-01	24.1442810417630
2005-07-01	23.2424743135510
2005-10-01	23.5851982347436
2006-01-01	23.5347476149099
2006-04-01	23.9896348129580
2006-07-01	24.1867117444025
2006-10-01	24.1991016842968
2007-01-01	23.9063749465744
2007-04-01	23.7832992453535
2007-07-01	23.7405739231597
2007-10-01	23.6251237003538
2008-01-01	23.5886610793882
2008-04-01	23.6994598030375
2008-07-01	23.5215920643162
2008-10-01	23.1370722905630
2009-01-01	22.6028232466210
2009-04-01	23.0087581318566
2009-07-01	21.9954615180319
2009-10-01	21.2121325433753
2010-01-01	21.1734971953663
2010-04-01	20.8914021569620
2010-07-01	20.4393870531154
2010-10-01	20.3405810518898
2011-01-01	20.8573699338400
2011-04-01	19.6222564707599
2011-07-01	20.0982665520825
2011-10-01	19.9082814695903
2012-01-01	19.5642762655147
2012-04-01	19.0667112037484
2012-07-01	19.2106355969725
2012-10-01	18.4707926878042
2013-01-01	18.6527027495981
2013-04-01	18.5180299652390
2013-07-01	18.0581431662632
2013-10-01	18.1878991419047
2014-01-01	18.6356059331629
2014-04-01	18.4253727704208
2014-07-01	18.7161761051897
2014-10-01	18.1470430298666
2015-01-01	18.0938138565586
2015-04-01	18.2362629803124
2015-07-01	18.7806167164140
2015-10-01	17.7778693270303
2016-01-01	17.7013321197957
2016-04-01	18.0033002549308
2016-07-01	16.7854064701931
2016-10-01	17.3887664755655
2017-01-01	17.0754193935434
2017-04-01	16.3540142525545
2017-07-01	16.9668614267650
2017-10-01	16.8888802514966
2018-01-01	16.1131082358785
2018-04-01	15.6315887047728