Quarter	Percent, Seasonally Adjusted
2001-01-01	55.5779969685530
2001-04-01	55.7492426655735
2001-07-01	55.8038265792220
2001-10-01	55.8870819018441
2002-01-01	55.9297799576564
2002-04-01	55.7186427035932
2002-07-01	55.7592460504353
2002-10-01	55.7286853416258
2003-01-01	55.6980347299154
2003-04-01	55.6341068625823
2003-07-01	55.1443139242555
2003-10-01	55.0811622761280
2004-01-01	54.8461687509255
2004-04-01	54.6005471006987
2004-07-01	54.7735137188122
2004-10-01	54.5740234624077
2005-01-01	54.2315907297136
2005-04-01	54.4590347723590
2005-07-01	54.2493031506756
2005-10-01	54.8003410809370
2006-01-01	54.6532592840860
2006-04-01	54.7066701536989
2006-07-01	55.1588499666264
2006-10-01	55.2334899430210
2007-01-01	55.5107826554592
2007-04-01	55.7105523853107
2007-07-01	56.0000791802185
2007-10-01	56.0789393011447
2008-01-01	56.0341039273397
2008-04-01	56.0567689261657
2008-07-01	55.8280326064919
2008-10-01	55.5876029858874
2009-01-01	55.3208783766109
2009-04-01	54.9475943899326
2009-07-01	54.2251464572732
2009-10-01	54.0313634314768
2010-01-01	53.8038605775298
2010-04-01	53.8804447357048
2010-07-01	53.9953342270270
2010-10-01	54.0771481446472
2011-01-01	54.7645319831113
2011-04-01	54.9652498272790
2011-07-01	55.1462843152129
2011-10-01	55.3156545244721
2012-01-01	55.4324375697641
2012-04-01	55.4536870134674
2012-07-01	55.4611926760292
2012-10-01	55.4240542392014
2013-01-01	55.4507893639494
2013-04-01	55.6768114291309
2013-07-01	55.7153274461622
2013-10-01	56.0184529950211
2014-01-01	55.8667066557430
2014-04-01	56.0934996405510
2014-07-01	56.7040839800596
2014-10-01	56.2247463479892
2015-01-01	56.4951945583674
2015-04-01	56.5342628924696
2015-07-01	57.1177240025910
2015-10-01	57.1676578306275
2016-01-01	57.2582700934062
2016-04-01	57.5316565582400
2016-07-01	57.3610762620331
2016-10-01	57.6636049018054
2017-01-01	58.0498741522345
2017-04-01	57.8875236715479
2017-07-01	58.1105294525409
2017-10-01	58.1825956697294
2018-01-01	58.3196663026703
2018-04-01	58.5898504175488