Quarter	Percent, Seasonally Adjusted
2000-01-01	18.0348867713062
2000-04-01	18.3601864661984
2000-07-01	19.4175351689587
2000-10-01	21.0684034383304
2001-01-01	17.8270440304135
2001-04-01	18.3224530463952
2001-07-01	19.8330606925862
2001-10-01	21.4212687250910
2002-01-01	19.2452900588853
2002-04-01	17.1840882187228
2002-07-01	18.8931585943339
2002-10-01	18.6645181755967
2003-01-01	15.3182140268391
2003-04-01	16.9587446812158
2003-07-01	17.2892802089037
2003-10-01	18.8718966988003
2004-01-01	16.1704962910313
2004-04-01	16.6230831544167
2004-07-01	17.4324242220897
2004-10-01	17.4145699343537
2005-01-01	16.8302692462432
2005-04-01	15.8617562282476
2005-07-01	16.7225752458441
2005-10-01	17.0198608898117
2006-01-01	15.4408928211202
2006-04-01	15.2323704044944
2006-07-01	16.1554259243218
2006-10-01	16.0038710995240
2007-01-01	13.9132554622020
2007-04-01	13.8014169023440
2007-07-01	14.8254215390127
2007-10-01	14.2200460154064
2008-01-01	13.8694489125186
2008-04-01	12.9147905842117
2008-07-01	14.0252209696319
2008-10-01	14.4405791400951
2009-01-01	15.2507262079616
2009-04-01	15.5153390588325
2009-07-01	15.6631898121671
2009-10-01	17.2071596414320
2010-01-01	15.1810679173905
2010-04-01	15.0376197820811
2010-07-01	15.8651088600413
2010-10-01	16.0529707194084
2011-01-01	13.8146488001883
2011-04-01	13.3897231879730
2011-07-01	13.0678706362026
2011-10-01	13.7522365730608
2012-01-01	13.3689035370019
2012-04-01	13.9329348881855
2012-07-01	14.7384581572425
2012-10-01	14.3681646698008
2013-01-01	14.5164683278895
2013-04-01	14.6488192055069
2013-07-01	15.3245804219843
2013-10-01	15.2541581203733
2014-01-01	14.8959333593710
2014-04-01	14.8390535410056
2014-07-01	15.1634601941751
2014-10-01	16.5272372584013
2015-01-01	15.8906103408604
2015-04-01	16.0265517861786
2015-07-01	16.3606365594806
2015-10-01	16.6680995297679
2016-01-01	17.3800136019698
2016-04-01	16.9386823500814
2016-07-01	17.8476958079935
2016-10-01	16.7743836449158
2017-01-01	16.0583488885972
2017-04-01	17.5499664216319
2017-07-01	18.5345303415098
2017-10-01	17.8644922215031
2018-01-01	16.2376639060400
2018-04-01	16.1049204589886