Quarter	Percent, Seasonally Adjusted
2000-01-01	61.0399630552133
2000-04-01	61.6632375953177
2000-07-01	62.1269962807310
2000-10-01	62.4514236295346
2001-01-01	62.6843868846417
2001-04-01	62.7149745968151
2001-07-01	62.8055987551901
2001-10-01	62.9685941179439
2002-01-01	62.9835065583418
2002-04-01	63.1772684338734
2002-07-01	63.2074823101002
2002-10-01	63.0242428994615
2003-01-01	62.6854217932053
2003-04-01	62.4139722697468
2003-07-01	62.3166782855916
2003-10-01	61.9855682343431
2004-01-01	61.9957479719203
2004-04-01	61.8970004269650
2004-07-01	61.8976483396512
2004-10-01	61.7234209295856
2005-01-01	61.6467213324280
2005-04-01	61.8480654661054
2005-07-01	61.8906526921390
2005-10-01	62.0227040232505
2006-01-01	62.3868535778848
2006-04-01	62.5449671742066
2006-07-01	62.8056968342978
2006-10-01	63.2630977263543
2007-01-01	63.6316716177094
2007-04-01	64.0358793830485
2007-07-01	64.1804439497722
2007-10-01	64.2230719520883
2008-01-01	64.3800797638797
2008-04-01	64.6874043848527
2008-07-01	64.7680410822221
2008-10-01	65.0585173231277
2009-01-01	65.2244394736129
2009-04-01	64.6040008141219
2009-07-01	64.1783947150790
2009-10-01	63.8976234101146
2010-01-01	62.3874519784394
2010-04-01	62.2893324494941
2010-07-01	62.1223167203587
2010-10-01	62.0056342485274
2011-01-01	61.4197034449181
2011-04-01	61.1864749120889
2011-07-01	61.2469010081013
2011-10-01	61.4400781506539
2012-01-01	61.4140387871098
2012-04-01	61.3022779476728
2012-07-01	61.2162922827694
2012-10-01	60.9444777664835
2013-01-01	60.6341243348903
2013-04-01	60.3606179160075
2013-07-01	60.0867428497532
2013-10-01	59.8963057987660
2014-01-01	59.5080092519856
2014-04-01	59.4722023058640
2014-07-01	59.6349838105353
2014-10-01	59.8463937025311
2015-01-01	59.9290562776173
2015-04-01	60.0221104822439
2015-07-01	59.9784701154373
2015-10-01	59.9035449400372
2016-01-01	59.9502707883413
2016-04-01	60.2076796355707
2016-07-01	60.3284492512848
2016-10-01	60.4627162911758
2017-01-01	60.6165373685203
2017-04-01	60.7904054087446
2017-07-01	61.0779646732372
2017-10-01	61.1777687223687
2018-01-01	61.3317142524477
2018-04-01	61.6481855104664