Quarter	Percent, Seasonally Adjusted
2001-01-01	82.7074854138963
2001-04-01	82.1679086880884
2001-07-01	82.3478598126630
2001-10-01	82.5755362168076
2002-01-01	82.5961121861519
2002-04-01	82.3835678720788
2002-07-01	82.3395061433286
2002-10-01	82.1875878515940
2003-01-01	81.9213288813437
2003-04-01	81.9734536874827
2003-07-01	81.5273674938149
2003-10-01	81.3466239010957
2004-01-01	81.0694892861752
2004-04-01	81.0750448340346
2004-07-01	80.9138936283273
2004-10-01	80.3971088021639
2005-01-01	80.5813863389864
2005-04-01	80.7665679987344
2005-07-01	80.7735725730227
2005-10-01	81.0686357334543
2006-01-01	80.9373513099212
2006-04-01	81.1164743078952
2006-07-01	81.8438442905315
2006-10-01	82.2841525270378
2007-01-01	82.6296903456154
2007-04-01	82.8254496280104
2007-07-01	82.9856664373035
2007-10-01	83.4809408215261
2008-01-01	83.5801857127065
2008-04-01	83.5921343758596
2008-07-01	83.5795770044151
2008-10-01	83.1685868667550
2009-01-01	82.7115930573833
2009-04-01	82.1265701286242
2009-07-01	81.8635053322466
2009-10-01	81.0823881125524
2010-01-01	80.6520849180047
2010-04-01	80.6981271616708
2010-07-01	81.0505139329870
2010-10-01	81.1663297762453
2011-01-01	81.8329311123943
2011-04-01	82.3055511821457
2011-07-01	82.1323668120232
2011-10-01	82.4966603625462
2012-01-01	82.5973252177831
2012-04-01	82.6611684533348
2012-07-01	82.4916633341690
2012-10-01	82.4341678463984
2013-01-01	82.6990753497659
2013-04-01	83.0293875280551
2013-07-01	82.5644968213600
2013-10-01	82.6373941557343
2014-01-01	82.6051987751719
2014-04-01	82.7219158782710
2014-07-01	83.1388654705751
2014-10-01	82.7068442369571
2015-01-01	82.8190787221914
2015-04-01	83.1101767039332
2015-07-01	83.4122312211209
2015-10-01	83.7817486629295
2016-01-01	83.6413183102684
2016-04-01	83.6546313118640
2016-07-01	83.7086058912061
2016-10-01	83.9587399717262
2017-01-01	84.2989907832068
2017-04-01	84.1107175785243
2017-07-01	84.1612432991010
2017-10-01	83.9673307994971
2018-01-01	83.9819370377141
2018-04-01	84.4670805927676