Quarter	Percent, Seasonally Adjusted
2000-01-01	28.0763245920214
2000-04-01	26.9289297805277
2000-07-01	26.2330614108648
2000-10-01	26.0367237353891
2001-01-01	25.9870115412042
2001-04-01	25.7668486948959
2001-07-01	25.7534071517212
2001-10-01	25.3316288005098
2002-01-01	24.4913312032500
2002-04-01	24.5511723979513
2002-07-01	24.1641995636224
2002-10-01	23.8117816582387
2003-01-01	22.9963985299961
2003-04-01	23.4045092829364
2003-07-01	22.7361901612893
2003-10-01	22.7000291082040
2004-01-01	22.5016456472923
2004-04-01	21.9955185178785
2004-07-01	21.8940482434715
2004-10-01	21.8055815953275
2005-01-01	21.5151109081110
2005-04-01	21.1493939626695
2005-07-01	20.9309442649028
2005-10-01	20.4473193735995
2006-01-01	20.1294593517539
2006-04-01	20.1172069208679
2006-07-01	19.8909572975751
2006-10-01	19.6459895705530
2007-01-01	19.3210415935379
2007-04-01	18.8214858894555
2007-07-01	18.6843429617402
2007-10-01	18.3403786819736
2008-01-01	17.9045774321581
2008-04-01	17.5744677776772
2008-07-01	17.4195490069769
2008-10-01	16.9680252197568
2009-01-01	16.7327136382685
2009-04-01	17.1205787887065
2009-07-01	16.9832186520458
2009-10-01	16.9836727798718
2010-01-01	17.8414697202843
2010-04-01	17.5867233433264
2010-07-01	17.6294780726976
2010-10-01	17.5012337309043
2011-01-01	17.8554362640067
2011-04-01	18.2758614216822
2011-07-01	18.5909634815198
2011-10-01	18.1269260801138
2012-01-01	17.9261048319313
2012-04-01	17.8961987310128
2012-07-01	17.4821430471915
2012-10-01	17.5038604305874
2013-01-01	17.3941717215268
2013-04-01	17.4095231101141
2013-07-01	17.2451983633923
2013-10-01	17.5683488986665
2014-01-01	18.0436488436241
2014-04-01	18.0738565758473
2014-07-01	18.1879742541547
2014-10-01	17.8973907104724
2015-01-01	17.7008694852305
2015-04-01	17.8408080636043
2015-07-01	17.9435437430683
2015-10-01	18.0105226458986
2016-01-01	18.0771063055635
2016-04-01	17.7911170284670
2016-07-01	17.6756715245229
2016-10-01	17.8112490217284
2017-01-01	17.7608608892872
2017-04-01	17.8533282409318
2017-07-01	17.9445735992236
2017-10-01	18.2606474194369
2018-01-01	18.1295202370856
2018-04-01	17.8439593761366