Quarter	Percent, Seasonally Adjusted
1999-01-01	31.5406777133308
1999-04-01	31.9913281779929
1999-07-01	31.6897624231972
1999-10-01	31.6436327033424
2000-01-01	31.6889114930866
2000-04-01	31.8343566429633
2000-07-01	31.8194172963550
2000-10-01	31.8429090522624
2001-01-01	31.4168240927422
2001-04-01	30.9809665827316
2001-07-01	31.1664048741155
2001-10-01	31.2452323019725
2002-01-01	31.5682513030887
2002-04-01	32.0399800924054
2002-07-01	31.9158981440360
2002-10-01	31.5916314350780
2003-01-01	31.8125154098326
2003-04-01	31.6904123100671
2003-07-01	31.6690310850617
2003-10-01	31.8160591474872
2004-01-01	31.5801234943394
2004-04-01	31.4726279476741
2004-07-01	31.7370708860990
2004-10-01	31.7531176608496
2005-01-01	31.7833970747403
2005-04-01	31.7584718194792
2005-07-01	31.7063979774106
2005-10-01	31.2601199334941
2006-01-01	31.4140583904261
2006-04-01	31.5834291760638
2006-07-01	31.7860125767308
2006-10-01	32.1637258157895
2007-01-01	32.4696640141737
2007-04-01	32.4024145117331
2007-07-01	32.0009057443470
2007-10-01	32.0277286898481
2008-01-01	31.9199674978619
2008-04-01	31.6553792891915
2008-07-01	31.6207755954498
2008-10-01	31.6910763266863
2009-01-01	31.8237221284036
2009-04-01	31.9803223075521
2009-07-01	31.8061726525013
2009-10-01	31.9018916213338
2010-01-01	32.1477138469211
2010-04-01	32.1644059910990
2010-07-01	32.2415395764386
2010-10-01	32.1421731450300
2011-01-01	32.2353198145313
2011-04-01	31.8162355663210
2011-07-01	32.0053059838668
2011-10-01	31.7643524821519
2012-01-01	31.5642642935014
2012-04-01	31.6640393759029
2012-07-01	31.6318982990960
2012-10-01	31.6735739315572
2013-01-01	31.4679030585538
2013-04-01	31.7127921972633
2013-07-01	32.0642296315021
2013-10-01	32.1949500768425
2014-01-01	31.8777405866152
2014-04-01	31.8363648667583
2014-07-01	31.7147232078121
2014-10-01	31.6740601163569
2015-01-01	31.9254850149710
2015-04-01	32.2265231770033
2015-07-01	32.1445709306649
2015-10-01	32.1624327250427
2016-01-01	32.1630583558268
2016-04-01	31.8268437638786
2016-07-01	31.8483990396650
2016-10-01	31.8471274753296
2017-01-01	32.0109084992017
2017-04-01	32.1365405553764
2017-07-01	32.3361722419586
2017-10-01	32.6225090854327
2018-01-01	32.4842833121425
2018-04-01	32.1628828711025