Quarter	Percent, Seasonally Adjusted
2005-01-01	54.8413599876660
2005-04-01	55.0550503595428
2005-07-01	55.2875480165600
2005-10-01	55.6481979831538
2006-01-01	55.7112205396238
2006-04-01	55.8580181856489
2006-07-01	56.2935989817375
2006-10-01	56.3757427418871
2007-01-01	56.5586335835976
2007-04-01	56.7323475697362
2007-07-01	56.8753929777173
2007-10-01	57.0109802143628
2008-01-01	57.2868474675504
2008-04-01	57.6468910611133
2008-07-01	57.8278884168510
2008-10-01	58.1215347399426
2009-01-01	58.2398637662667
2009-04-01	58.4628614133419
2009-07-01	58.4127772169086
2009-10-01	58.4990068412429
2010-01-01	58.6484827427570
2010-04-01	58.6936801774452
2010-07-01	58.7780871396808
2010-10-01	58.8014372025926
2011-01-01	59.0338983370218
2011-04-01	59.1702071177246
2011-07-01	59.1652831834470
2011-10-01	59.6324341624587
2012-01-01	60.1258362058162
2012-04-01	60.8105341769517
2012-07-01	61.2551375132222
2012-10-01	61.6549376422474
2013-01-01	61.8969483675696
2013-04-01	62.2871380049671
2013-07-01	62.8720670773748
2013-10-01	63.1226464308529
2014-01-01	63.4884287751696
2014-04-01	63.5846222502535
2014-07-01	63.9640995412180
2014-10-01	64.3946545302871
2015-01-01	64.4309558721027
2015-04-01	64.7635923348145
2015-07-01	65.2502686494193
2015-10-01	65.5712081517655
2016-01-01	66.1808888284472
2016-04-01	66.4663637581270
2016-07-01	66.7791556011110
2016-10-01	66.9745608126455
2017-01-01	67.2432473279555
2017-04-01	67.7248005486302
2017-07-01	67.9472223238031
2017-10-01	68.3264880405479
2018-01-01	68.6270349192711
2018-04-01	68.8174453815940