Quarter	Percent, Seasonally Adjusted
2005-01-01	73.3627347319239
2005-04-01	73.7100394789592
2005-07-01	73.9442560861771
2005-10-01	74.1472544934608
2006-01-01	74.5581470433532
2006-04-01	74.7940333596102
2006-07-01	75.0262398773841
2006-10-01	75.3811341718553
2007-01-01	75.3865351825088
2007-04-01	75.4549908078622
2007-07-01	75.7297146183133
2007-10-01	75.7903286859525
2008-01-01	75.7957569821831
2008-04-01	75.8651711372920
2008-07-01	75.9473550382778
2008-10-01	75.9644283786655
2009-01-01	76.0380400093306
2009-04-01	76.2866985419671
2009-07-01	76.3145908429898
2009-10-01	76.6286915112848
2010-01-01	76.5784241149966
2010-04-01	76.5714646984614
2010-07-01	76.7193893289581
2010-10-01	76.8387256506544
2011-01-01	77.0471429652368
2011-04-01	77.2444077531379
2011-07-01	77.3707215646638
2011-10-01	77.5282257370321
2012-01-01	77.0846136438356
2012-04-01	77.1407837948202
2012-07-01	77.3431268756323
2012-10-01	77.3697408141724
2013-01-01	77.5378578976026
2013-04-01	77.6647069906379
2013-07-01	77.6066988866171
2013-10-01	77.7031288283418
2014-01-01	77.7017643742564
2014-04-01	77.6995150998612
2014-07-01	77.8439603385331
2014-10-01	77.6991466579607
2015-01-01	77.6961813891255
2015-04-01	77.5852705934068
2015-07-01	77.5147443206319
2015-10-01	77.7318280687139
2016-01-01	77.7142092738050
2016-04-01	77.7859929154910
2016-07-01	78.1424716082620
2016-10-01	78.1031516552659
2017-01-01	78.0239614326446
2017-04-01	78.1260304748188
2017-07-01	78.2782631650434
2017-10-01	78.5516874963556
2018-01-01	78.3747730676512
2018-04-01	78.4123183852948