Quarter	Percent, Seasonally Adjusted
2005-01-01	77.8984349841135
2005-04-01	78.0209408467872
2005-07-01	78.0781140218049
2005-10-01	78.1246375594166
2006-01-01	78.2379335442310
2006-04-01	78.2330893626766
2006-07-01	78.2253131268982
2006-10-01	78.3292882194142
2007-01-01	78.3579503082800
2007-04-01	78.3680667547697
2007-07-01	78.5417359320973
2007-10-01	78.4739930756979
2008-01-01	78.5945485137452
2008-04-01	78.6165486841568
2008-07-01	78.5795864998822
2008-10-01	78.5244251333492
2009-01-01	78.4228843457608
2009-04-01	78.3377798770935
2009-07-01	78.2089398833959
2009-10-01	78.1709126745087
2010-01-01	78.1626074405994
2010-04-01	78.1155630759189
2010-07-01	78.0275899631616
2010-10-01	77.9853386577882
2011-01-01	77.9089989240637
2011-04-01	77.8942618618059
2011-07-01	77.9135136369718
2011-10-01	77.9714527083974
2012-01-01	78.0835834452458
2012-04-01	78.1626143713009
2012-07-01	78.1979442226561
2012-10-01	78.2226500671792
2013-01-01	78.1571536051529
2013-04-01	78.1906100935553
2013-07-01	78.1022094622391
2013-10-01	77.9859923017434
2014-01-01	78.0274625332430
2014-04-01	77.9573425791286
2014-07-01	78.0036623389508
2014-10-01	78.0776555605938
2015-01-01	78.0483490648061
2015-04-01	78.0579486517684
2015-07-01	78.1100366721064
2015-10-01	78.1628577306182
2016-01-01	78.2202908694767
2016-04-01	78.2948987092121
2016-07-01	78.2924403111652
2016-10-01	78.3191542815435
2017-01-01	78.3431235376072
2017-04-01	78.4112491982255
2017-07-01	78.5371385275719
2017-10-01	78.5858037784437
2018-01-01	78.6704896407266
2018-04-01	78.7484766044356