Quarter	Percent, Seasonally Adjusted
2000-01-01	73.1199400171069
2000-04-01	73.2901484583397
2000-07-01	73.2690274161670
2000-10-01	73.0656462480233
2001-01-01	73.2138651036239
2001-04-01	73.3671059434158
2001-07-01	73.2835659429608
2001-10-01	73.4859425618312
2002-01-01	73.6602063243069
2002-04-01	73.6696552851405
2002-07-01	73.2555902891993
2002-10-01	72.8287716931264
2003-01-01	72.6676576966510
2003-04-01	72.4130514917150
2003-07-01	72.4839219226894
2003-10-01	72.3436099446479
2004-01-01	72.0980282960291
2004-04-01	72.2151080451552
2004-07-01	72.4643866517084
2004-10-01	72.2835689357842
2005-01-01	72.0884583351497
2005-04-01	71.9897633340453
2005-07-01	72.3281208100232
2005-10-01	72.3634564240668
2006-01-01	71.8348608818287
2006-04-01	71.8078904626804
2006-07-01	71.8904204562914
2006-10-01	71.8924142480278
2007-01-01	72.2241969177470
2007-04-01	72.3424423150069
2007-07-01	72.6349524403695
2007-10-01	73.3448105496231
2008-01-01	73.7808279112274
2008-04-01	73.9284763532090
2008-07-01	73.8592748075701
2008-10-01	73.5427450138654
2009-01-01	73.2937452698302
2009-04-01	72.9990289147607
2009-07-01	72.2519674172472
2009-10-01	72.0464323653588
2010-01-01	72.0225384127224
2010-04-01	71.9880324725862
2010-07-01	71.5388247082570
2010-10-01	71.6398027210092
2011-01-01	71.2129686366464
2011-04-01	71.1378751230091
2011-07-01	71.4031709650479
2011-10-01	71.5586152761422
2012-01-01	71.6191068990752
2012-04-01	71.5684248291077
2012-07-01	71.2494901018780
2012-10-01	71.2268036893871
2013-01-01	71.1776858849243
2013-04-01	70.9846640921888
2013-07-01	71.1158627394642
2013-10-01	71.0275232973286
2014-01-01	70.8064620927770
2014-04-01	70.7741691479217
2014-07-01	70.8393435058563
2014-10-01	71.1197292453704
2015-01-01	70.9970567472668
2015-04-01	71.0927559719794
2015-07-01	71.1050475551385
2015-10-01	70.8549741848796
2016-01-01	71.0210719476801
2016-04-01	70.3057020848984
2016-07-01	70.6627500125760
2016-10-01	70.0636529657956
2017-01-01	69.8686858818501
2017-04-01	69.7394107238003
2017-07-01	69.5841589328046
2017-10-01	69.6682746909757
2018-01-01	69.7461951601768
2018-04-01	69.8592506998634