Quarter	Percent, Seasonally Adjusted
2000-01-01	22.9382626812308
2000-04-01	21.8984634764227
2000-07-01	22.9608425394265
2000-10-01	19.9467578452608
2001-01-01	22.0105233534914
2001-04-01	21.4107486405856
2001-07-01	23.1816788421125
2001-10-01	19.7130316002993
2002-01-01	23.7871417760320
2002-04-01	21.8334657964520
2002-07-01	23.8523899047731
2002-10-01	21.7695936199300
2003-01-01	21.3257956440191
2003-04-01	20.6425487449762
2003-07-01	22.4794728705009
2003-10-01	20.9826916239882
2004-01-01	20.9831661101124
2004-04-01	20.4843685928588
2004-07-01	21.6713679333924
2004-10-01	20.5520534929895
2005-01-01	20.2205039121731
2005-04-01	19.5102282018262
2005-07-01	19.8504699313851
2005-10-01	18.5753828521745
2006-01-01	20.0667368040121
2006-04-01	19.2128157967148
2006-07-01	20.0134452358762
2006-10-01	17.4671470501949
2007-01-01	20.5231199967795
2007-04-01	18.0831297863016
2007-07-01	18.9064365960478
2007-10-01	20.0251729777830
2008-01-01	21.1060915898362
2008-04-01	19.5491844835954
2008-07-01	21.0844542111443
2008-10-01	21.2981013462817
2009-01-01	21.7907246093503
2009-04-01	20.4664617235497
2009-07-01	23.0474414500817
2009-10-01	20.0900990674966
2010-01-01	18.5203957991595
2010-04-01	17.9076805648814
2010-07-01	19.0596417399473
2010-10-01	17.2693648000873
2011-01-01	18.2211527058718
2011-04-01	17.7199266048559
2011-07-01	18.9897289512240
2011-10-01	17.4490656502333
2012-01-01	18.7652578612755
2012-04-01	17.4871148116187
2012-07-01	18.6293154401685
2012-10-01	17.7017017016484
2013-01-01	17.8465561678966
2013-04-01	16.0198937475488
2013-07-01	18.0912829827222
2013-10-01	18.9332361854010
2014-01-01	19.0161994657022
2014-04-01	18.3485004890258
2014-07-01	19.8053864091286
2014-10-01	18.1964923829779
2015-01-01	19.0693246117952
2015-04-01	18.2476622736621
2015-07-01	19.1254828016751
2015-10-01	18.7782155411084
2016-01-01	19.4314102778944
2016-04-01	18.0837503167342
2016-07-01	19.3804824230676
2016-10-01	19.6332109374097
2017-01-01	19.5348594774305
2017-04-01	18.3529602626212
2017-07-01	20.1943109124834
2017-10-01	19.6691968920113
2018-01-01	19.7554517359084
2018-04-01	18.9397695008342