Quarter	Percent, Seasonally Adjusted
2000-01-01	53.6722562553849
2000-04-01	53.4447708029983
2000-07-01	53.3104094424846
2000-10-01	53.3741164135957
2001-01-01	53.3492245927235
2001-04-01	53.6097078876731
2001-07-01	53.5200058931040
2001-10-01	53.1489279900784
2002-01-01	52.9761896342270
2002-04-01	52.5771104942043
2002-07-01	52.3320429904043
2002-10-01	52.1507371082281
2003-01-01	51.9233933297372
2003-04-01	51.8864114360997
2003-07-01	51.7660891260727
2003-10-01	51.7259920678832
2004-01-01	51.9542611196882
2004-04-01	51.6624549404086
2004-07-01	51.6493479867740
2004-10-01	51.7789673470646
2005-01-01	51.7356697512084
2005-04-01	51.9778786005440
2005-07-01	52.0673585903214
2005-10-01	51.8269241461724
2006-01-01	51.1905910854942
2006-04-01	50.8581070852221
2006-07-01	50.6525102614563
2006-10-01	50.3713879230941
2007-01-01	50.4427274627742
2007-04-01	50.5326265340968
2007-07-01	50.6031350031748
2007-10-01	50.7610117546233
2008-01-01	50.8821896099502
2008-04-01	51.0164054411586
2008-07-01	51.1853443877102
2008-10-01	51.4305199490076
2009-01-01	51.8528521481873
2009-04-01	51.8543717356661
2009-07-01	52.0261690890652
2009-10-01	52.3388015668742
2010-01-01	52.2284250063509
2010-04-01	52.5715425969694
2010-07-01	52.7520208867362
2010-10-01	52.6494857456768
2011-01-01	52.6958114416476
2011-04-01	52.7558576172807
2011-07-01	52.8165236907813
2011-10-01	53.0944124748517
2012-01-01	53.2989450490153
2012-04-01	53.3970159505742
2012-07-01	53.3855731804644
2012-10-01	53.4498481547409
2013-01-01	53.1806013237924
2013-04-01	53.4421086242254
2013-07-01	53.6193618036267
2013-10-01	53.7374249259057
2014-01-01	54.0717606308788
2014-04-01	53.8919128047775
2014-07-01	53.9356352047557
2014-10-01	53.9177459448579
2015-01-01	53.8147761833504
2015-04-01	53.8585169740951
2015-07-01	54.0089224431571
2015-10-01	54.0612503360317
2016-01-01	54.0374827150432
2016-04-01	54.0054596233486
2016-07-01	53.9875608571428
2016-10-01	54.0591270449088
2017-01-01	54.1347384781954
2017-04-01	54.1888413817814
2017-07-01	54.0624915879233
2017-10-01	53.9729133971801
2018-01-01	53.9747372501582
2018-04-01	54.0578721034710