Quarter	Percent, Seasonally Adjusted
2005-01-01	56.7803409269346
2005-04-01	56.3638347255602
2005-07-01	56.1559548582971
2005-10-01	56.4980339091258
2006-01-01	55.9046436431565
2006-04-01	56.2550781401280
2006-07-01	56.2259564647273
2006-10-01	55.8124882914334
2007-01-01	56.5154044686612
2007-04-01	56.4928371544540
2007-07-01	56.4579647913898
2007-10-01	55.5003513068476
2008-01-01	56.2461142716752
2008-04-01	55.4708809888098
2008-07-01	57.4078932307792
2008-10-01	58.2636950588420
2009-01-01	58.3951491409464
2009-04-01	58.8801042132088
2009-07-01	58.8176022004039
2009-10-01	58.9253151563763
2010-01-01	58.9705725071957
2010-04-01	58.9503086114820
2010-07-01	59.9316018422621
2010-10-01	60.4405784305929
2011-01-01	59.9833152354014
2011-04-01	60.2434271404279
2011-07-01	60.4533205501849
2011-10-01	60.3338025894950
2012-01-01	61.0928181147984
2012-04-01	61.0468681016365
2012-07-01	61.0906498494672
2012-10-01	61.2737998530625
2013-01-01	61.0601780807588
2013-04-01	61.0539591985348
2013-07-01	60.8145993385407
2013-10-01	61.5212560758702
2014-01-01	62.3196818590325
2014-04-01	61.9999855569265
2014-07-01	62.4243090002289
2014-10-01	62.6400025966837
2015-01-01	62.6149361195309
2015-04-01	63.0208843374602
2015-07-01	63.3812028536592
2015-10-01	63.9970512403935
2016-01-01	64.4469959753806
2016-04-01	64.4543497498483
2016-07-01	64.5940892098555
2016-10-01	64.9888468028885
2017-01-01	64.7434619546878
2017-04-01	65.4307104812813
2017-07-01	65.2143403330126
2017-10-01	65.4801457853220
2018-01-01	65.3862404520583
2018-04-01	65.1583116000762