Quarter	Percent, Seasonally Adjusted
2000-01-01	17.88243772461370
2000-04-01	18.19273972860640
2000-07-01	18.49238693274780
2000-10-01	18.97468797987750
2001-01-01	19.42008508906410
2001-04-01	20.03717220093910
2001-07-01	20.33737144851600
2001-10-01	20.85165406101020
2002-01-01	21.14383470071750
2002-04-01	21.21009971692660
2002-07-01	21.42231326322900
2002-10-01	21.11574371237060
2003-01-01	20.92250200418250
2003-04-01	20.70648242822050
2003-07-01	20.81463577813000
2003-10-01	20.52006320677270
2004-01-01	20.54330821889760
2004-04-01	20.29048397436520
2004-07-01	19.95949275197650
2004-10-01	20.11103154958910
2005-01-01	20.03669585419900
2005-04-01	19.90179299845340
2005-07-01	19.36691978615030
2005-10-01	18.33595650634890
2006-01-01	17.04593470860710
2006-04-01	15.80019707841960
2006-07-01	14.36170006006580
2006-10-01	13.17220811023540
2007-01-01	11.93281736580200
2007-04-01	10.75751338110040
2007-07-01	9.92555545182118
2007-10-01	9.17214562077173
2008-01-01	8.60603075532368
2008-04-01	8.18048901497459
2008-07-01	7.82698355472670
2008-10-01	7.53921511135662
2009-01-01	8.83289288909725
2009-04-01	8.73286997524289
2009-07-01	8.71329132028314
2009-10-01	8.73008607105336
2010-01-01	10.42314634958570
2010-04-01	10.10564390487800
2010-07-01	9.92717240702106
2010-10-01	10.00764044924310
2011-01-01	10.16426782076830
2011-04-01	10.40615103384060
2011-07-01	10.66705410166710
2011-10-01	10.83919980553270
2012-01-01	10.82397875596720
2012-04-01	10.98640757167110
2012-07-01	11.09332967655950
2012-10-01	11.23392012649430
2013-01-01	11.43409574274080
2013-04-01	11.40031193324520
2013-07-01	11.23602793764760
2013-10-01	10.87811902037890
2014-01-01	10.47227549904860
2014-04-01	9.99175734814466
2014-07-01	9.38541179750195
2014-10-01	8.93787206258335
2015-01-01	8.42728197818124
2015-04-01	7.95877455950815
2015-07-01	7.58817487442742
2015-10-01	7.16898857923534
2016-01-01	6.83845082268437
2016-04-01	6.43268955767866
2016-07-01	6.12340980016626
2016-10-01	5.76477729489754
2017-01-01	5.36957389136219
2017-04-01	5.13952967755932
2017-07-01	4.84104950116185
2017-10-01	4.54299983098934
2018-01-01	4.19278008781080
2018-04-01	3.82435907388577