Quarter	Percent, Seasonally Adjusted
2001-01-01	58.2183551050454
2001-04-01	58.3570338303838
2001-07-01	58.4282469212735
2001-10-01	58.5459799868645
2002-01-01	58.5573529580901
2002-04-01	58.4266381011064
2002-07-01	58.5021800045519
2002-10-01	58.4622950938311
2003-01-01	58.5821351646048
2003-04-01	58.5506531508187
2003-07-01	58.1906332452841
2003-10-01	58.3239337616976
2004-01-01	58.2553909223888
2004-04-01	58.1126034152625
2004-07-01	58.4977768745056
2004-10-01	58.2187648302857
2005-01-01	57.7384382893658
2005-04-01	59.1806505214792
2005-07-01	58.7308554301922
2005-10-01	59.4175084907492
2006-01-01	59.2057523357765
2006-04-01	59.1305206207836
2006-07-01	59.4213672721573
2006-10-01	59.1864306895179
2007-01-01	59.4128847245484
2007-04-01	59.6018976680752
2007-07-01	59.7785665018127
2007-10-01	59.9436378498340
2008-01-01	59.8362022555122
2008-04-01	59.8892364628874
2008-07-01	59.7808242909780
2008-10-01	59.7053505809740
2009-01-01	59.7142621677966
2009-04-01	59.6442458602784
2009-07-01	59.1039006647051
2009-10-01	59.0911763162942
2010-01-01	58.9396755772312
2010-04-01	58.9491573118840
2010-07-01	59.0377671621510
2010-10-01	58.9295091702001
2011-01-01	59.5633886800277
2011-04-01	59.6180270173598
2011-07-01	59.6716091188287
2011-10-01	59.8719952022701
2012-01-01	59.9305436579054
2012-04-01	60.0924272241205
2012-07-01	60.1220866467541
2012-10-01	60.1553404429525
2013-01-01	60.2514753883031
2013-04-01	60.3982114891263
2013-07-01	60.5506794868483
2013-10-01	60.7469654568132
2014-01-01	60.5838342837114
2014-04-01	60.7889507391890
2014-07-01	61.3827724466874
2014-10-01	60.8801553644719
2015-01-01	61.1481271970651
2015-04-01	61.1432506541123
2015-07-01	61.4480608708918
2015-10-01	61.4518146721350
2016-01-01	61.4172160401991
2016-04-01	61.5650434226942
2016-07-01	61.3866268222904
2016-10-01	61.6505266075005
2017-01-01	62.0444921866882
2017-04-01	61.9047600764806
2017-07-01	62.1316933508028
2017-10-01	62.1358075459892
2018-01-01	62.2465113684316
2018-04-01	62.4919477212323