Quarter	Percent, Seasonally Adjusted
2001-01-01	62.4402177079967
2001-04-01	62.4235092108756
2001-07-01	62.5091211516141
2001-10-01	62.5389024815686
2002-01-01	62.4573673129786
2002-04-01	62.3063475140570
2002-07-01	62.3017829860472
2002-10-01	62.3193651105122
2003-01-01	62.2298216233482
2003-04-01	62.3289684464943
2003-07-01	62.1632516300235
2003-10-01	62.2367016678393
2004-01-01	62.2335037462132
2004-04-01	62.0115640389276
2004-07-01	62.1356359554827
2004-10-01	61.9124880568250
2005-01-01	61.6938964937743
2005-04-01	63.3781766629994
2005-07-01	62.9928293846899
2005-10-01	63.3921581810941
2006-01-01	63.2156483024475
2006-04-01	63.2943387905458
2006-07-01	63.4701451139772
2006-10-01	63.4246266143446
2007-01-01	63.6195168216223
2007-04-01	63.5398391810110
2007-07-01	63.7689765841178
2007-10-01	63.8166864353493
2008-01-01	63.9386652942506
2008-04-01	64.0962095909529
2008-07-01	63.9165228542089
2008-10-01	63.7881644366029
2009-01-01	63.4627604948071
2009-04-01	63.4608661887512
2009-07-01	63.1023370415368
2009-10-01	63.2177347223500
2010-01-01	63.1672245327229
2010-04-01	63.2661518602997
2010-07-01	63.4075341068430
2010-10-01	63.3103724549660
2011-01-01	63.6488100450161
2011-04-01	63.7182633491691
2011-07-01	63.6705708864881
2011-10-01	63.7625517012678
2012-01-01	63.7116850087884
2012-04-01	63.8783067017368
2012-07-01	63.9995929352770
2012-10-01	64.0709205712213
2013-01-01	64.1672440401896
2013-04-01	64.2111066650494
2013-07-01	64.3073984972492
2013-10-01	64.4519725470792
2014-01-01	64.4667792765555
2014-04-01	64.6288622521541
2014-07-01	65.0639714682276
2014-10-01	64.7842779073738
2015-01-01	64.8504255230638
2015-04-01	64.7464155990334
2015-07-01	64.8267948763563
2015-10-01	64.8732560614330
2016-01-01	64.8983339474019
2016-04-01	65.0157768714794
2016-07-01	64.8075476770168
2016-10-01	65.1360338530423
2017-01-01	65.4253785123833
2017-04-01	65.4957919506213
2017-07-01	65.7859432014531
2017-10-01	65.7060604527832
2018-01-01	65.7833426375562
2018-04-01	65.8660653502560