Quarter	Percent, Seasonally Adjusted
2001-01-01	69.2669254343144
2001-04-01	69.0927481495039
2001-07-01	69.1396343303700
2001-10-01	69.0632214074693
2002-01-01	68.8124047544881
2002-04-01	68.6739238937286
2002-07-01	68.3929342418142
2002-10-01	68.3748732860962
2003-01-01	68.0350251363420
2003-04-01	68.0664844509422
2003-07-01	67.9354171929580
2003-10-01	67.5847140095514
2004-01-01	67.4293027044064
2004-04-01	67.1328545846735
2004-07-01	66.9885991603165
2004-10-01	67.0237442528378
2005-01-01	67.0424837667888
2005-04-01	67.8618668030572
2005-07-01	67.8481782971989
2005-10-01	68.1814129212606
2006-01-01	68.3439939663416
2006-04-01	68.4744972703216
2006-07-01	68.9134832708482
2006-10-01	69.1467631588640
2007-01-01	69.4635604317877
2007-04-01	69.4358293716956
2007-07-01	69.8266589997569
2007-10-01	69.8226204152364
2008-01-01	70.0382498064575
2008-04-01	70.0323153500499
2008-07-01	69.8067083869080
2008-10-01	69.0606079604722
2009-01-01	68.0261102157915
2009-04-01	67.3015011564764
2009-07-01	66.6399564832935
2009-10-01	66.7033783122323
2010-01-01	66.9503137615884
2010-04-01	67.4248240317143
2010-07-01	67.6068181258550
2010-10-01	67.8693905727178
2011-01-01	68.1783993255986
2011-04-01	68.2519547634668
2011-07-01	68.1398356457728
2011-10-01	67.9873054286829
2012-01-01	67.7835233097649
2012-04-01	67.9102416907054
2012-07-01	67.8344729976720
2012-10-01	67.9230188488486
2013-01-01	68.1193647333503
2013-04-01	68.0268629533719
2013-07-01	68.2799878380911
2013-10-01	68.2290199377283
2014-01-01	68.3416840248295
2014-04-01	68.5055832536012
2014-07-01	68.7846818858037
2014-10-01	68.8018023876252
2015-01-01	68.8373732220656
2015-04-01	68.7137767558784
2015-07-01	68.7412311115020
2015-10-01	68.9347003243639
2016-01-01	68.7741423641720
2016-04-01	69.0621154153662
2016-07-01	68.8462629509908
2016-10-01	69.1779140783994
2017-01-01	69.4477761513665
2017-04-01	69.8349501412664
2017-07-01	70.1766047443415
2017-10-01	70.1819033834422
2018-01-01	70.4304315615434
2018-04-01	70.2877130928080