Quarter	Percent, Seasonally Adjusted
1999-01-01	9.00034361313844
1999-04-01	9.06964474707779
1999-07-01	8.30759244328740
1999-10-01	7.87537835223207
2000-01-01	7.24220665440420
2000-04-01	6.93661849812660
2000-07-01	7.03698348313640
2000-10-01	6.84671528650466
2001-01-01	6.22412733134752
2001-04-01	6.48798198519978
2001-07-01	6.32218836427526
2001-10-01	7.42250298730411
2002-01-01	7.34920203380253
2002-04-01	7.27123378783121
2002-07-01	7.46689832320435
2002-10-01	7.99685771260155
2003-01-01	8.11500726776242
2003-04-01	8.06972232486046
2003-07-01	8.15650046429120
2003-10-01	8.38631326671949
2004-01-01	8.57664238482238
2004-04-01	7.73987425544651
2004-07-01	8.94039326417240
2004-10-01	8.33235168653332
2005-01-01	8.47501154805044
2005-04-01	8.47490326092541
2005-07-01	8.50138825917810
2005-10-01	8.38789042819077
2006-01-01	8.58281793797564
2006-04-01	8.70362424560404
2006-07-01	7.91935630630540
2006-10-01	7.84289615769089
2007-01-01	7.86092485880192
2007-04-01	7.98088380030260
2007-07-01	7.06238770240570
2007-10-01	6.98359906080823
2008-01-01	6.98063796024663
2008-04-01	6.65747729602205
2008-07-01	7.53890826195660
2008-10-01	6.76525152620241
2009-01-01	7.81987584293573
2009-04-01	7.84508055387701
2009-07-01	8.00246798403426
2009-10-01	7.99794883240257
2010-01-01	8.52140708118399
2010-04-01	8.49773420656440
2010-07-01	8.43918296826287
2010-10-01	7.78865604976876
2011-01-01	7.08144247993430
2011-04-01	6.92826455791013
2011-07-01	7.57761899899748
2011-10-01	7.02603739241977
2012-01-01	7.13279730479643
2012-04-01	7.34926284774086
2012-07-01	7.54114132858711
2012-10-01	8.19727042519116
2013-01-01	8.37194001168474
2013-04-01	8.48727344032953
2013-07-01	8.47144961228403
2013-10-01	8.44712220652504
2014-01-01	8.61789244800285
2014-04-01	8.58473667638376
2014-07-01	8.47055258160861
2014-10-01	8.47519595373656
2015-01-01	8.64578852199591
2015-04-01	8.74168064776032
2015-07-01	7.99502675805943
2015-10-01	8.62487946099429
2016-01-01	8.23192645741659
2016-04-01	8.29769633042870
2016-07-01	7.69636647323715
2016-10-01	7.15562755915482
2017-01-01	7.64718148005460
2017-04-01	7.35649948679896
2017-07-01	7.06398326871221
2017-10-01	6.33340243763706
2018-01-01	6.07718470782421
2018-04-01	6.38002966527142