Quarter	Percent, Seasonally Adjusted
2000-01-01	72.1814689278523
2000-04-01	73.2179852199398
2000-07-01	74.2310803758300
2000-10-01	75.3396218515758
2001-01-01	74.8933697339404
2001-04-01	74.5127291785507
2001-07-01	74.5208491561219
2001-10-01	73.8200725153173
2002-01-01	74.2150720511362
2002-04-01	74.9081593183026
2002-07-01	74.3530065258384
2002-10-01	74.3640334957390
2003-01-01	73.6815018999786
2003-04-01	73.9079476529784
2003-07-01	73.3586294019137
2003-10-01	73.2285025060831
2004-01-01	72.9422035021686
2004-04-01	72.1259346367115
2004-07-01	71.4706976879238
2004-10-01	71.4335061747456
2005-01-01	71.9151626919730
2005-04-01	71.6040600615306
2005-07-01	70.8103297455988
2005-10-01	70.5408138220456
2006-01-01	70.8175530623695
2006-04-01	70.7790276442991
2006-07-01	72.1064472205967
2006-10-01	72.4152101790204
2007-01-01	72.8310416421508
2007-04-01	73.4633133330822
2007-07-01	73.5730710524318
2007-10-01	72.3281874376413
2008-01-01	73.8346011815801
2008-04-01	74.0831206450234
2008-07-01	73.2805035467468
2008-10-01	73.6782043394240
2009-01-01	73.8604807678728
2009-04-01	72.9961232690105
2009-07-01	72.5367207024557
2009-10-01	71.4877099184136
2010-01-01	69.3695222360617
2010-04-01	68.8851691396124
2010-07-01	68.4034222005581
2010-10-01	67.8357252517085
2011-01-01	66.9275215518316
2011-04-01	66.3941021798388
2011-07-01	67.0622563857917
2011-10-01	67.5035010445477
2012-01-01	67.7000163443619
2012-04-01	67.3197782756981
2012-07-01	67.6660228542386
2012-10-01	68.1984755702790
2013-01-01	68.4911902008205
2013-04-01	68.4283567692549
2013-07-01	68.2002636519535
2013-10-01	68.4782450757114
2014-01-01	67.6376244748860
2014-04-01	66.9004194624557
2014-07-01	66.8597764369550
2014-10-01	66.6723428719522
2015-01-01	67.5695683184352
2015-04-01	67.9800293044722
2015-07-01	67.7204957094840
2015-10-01	66.9185859328827
2016-01-01	67.4885763708288
2016-04-01	67.5673458523329
2016-07-01	67.2113594259007
2016-10-01	66.6336995387788
2017-01-01	66.4609120537300
2017-04-01	66.6689644538742
2017-07-01	67.4339337183215
2017-10-01	67.5919754973149
2018-01-01	67.7534159771531
2018-04-01	67.5530030158103