Quarter	Percent, Seasonally Adjusted
2000-01-01	32.7621235469121
2000-04-01	32.0818606554570
2000-07-01	31.5694863430679
2000-10-01	31.1881661980756
2001-01-01	31.3250040381029
2001-04-01	31.3008676077811
2001-07-01	31.3086740015063
2001-10-01	31.0234957280217
2002-01-01	30.8359126502200
2002-04-01	30.4992104062681
2002-07-01	30.3040016230776
2002-10-01	30.3092137144675
2003-01-01	30.5117804895591
2003-04-01	30.6170920422924
2003-07-01	30.5391948020610
2003-10-01	30.7087110194987
2004-01-01	30.5423008195249
2004-04-01	30.4196289508964
2004-07-01	30.3378460346471
2004-10-01	30.4056147411051
2005-01-01	30.3627926593117
2005-04-01	30.2236519823526
2005-07-01	30.2144395004006
2005-10-01	30.2233966726582
2006-01-01	30.0000373493233
2006-04-01	29.9417789547417
2006-07-01	29.7935505713227
2006-10-01	29.4464318601603
2007-01-01	29.1092107477005
2007-04-01	28.8350279543484
2007-07-01	28.6642522742648
2007-10-01	28.8676111967933
2008-01-01	28.4837203717536
2008-04-01	28.2826257357688
2008-07-01	28.1499169847975
2008-10-01	27.8137463690112
2009-01-01	27.4999434604344
2009-04-01	27.9090968807542
2009-07-01	28.1510135033290
2009-10-01	28.0264870182384
2010-01-01	29.5221472429578
2010-04-01	29.4557742885561
2010-07-01	29.5138102291125
2010-10-01	29.5897696291926
2011-01-01	30.1276161133783
2011-04-01	30.3215638366890
2011-07-01	30.0772360117702
2011-10-01	29.5546073601036
2012-01-01	29.5052293155415
2012-04-01	29.5064114428474
2012-07-01	29.3992921152117
2012-10-01	29.4434714391185
2013-01-01	29.4786171979880
2013-04-01	29.4777942381924
2013-07-01	29.4035676549353
2013-10-01	29.5165095367776
2014-01-01	29.9409615465255
2014-04-01	30.0478537336624
2014-07-01	29.9927095212874
2014-10-01	29.7483813285813
2015-01-01	29.7022747465025
2015-04-01	29.7141931322672
2015-07-01	29.7701820087776
2015-10-01	29.9355056071899
2016-01-01	30.0253520331780
2016-04-01	29.8806237634686
2016-07-01	29.9157348667199
2016-10-01	30.0527892442654
2017-01-01	30.0122983707175
2017-04-01	29.9835657643822
2017-07-01	29.8329262570586
2017-10-01	29.9253955113460
2018-01-01	29.8278295936688
2018-04-01	29.6085443539984