Quarter	Percent, Seasonally Adjusted
1998-01-01	11.92697888806420
1998-04-01	12.07924330872280
1998-07-01	12.04610973653530
1998-10-01	11.84412594963520
1999-01-01	10.58291293302080
1999-04-01	11.09123296227330
1999-07-01	10.78079792803950
1999-10-01	10.56574155964870
2000-01-01	11.19055888441550
2000-04-01	10.71069444866990
2000-07-01	10.45709559248120
2000-10-01	10.15175504691250
2001-01-01	10.13294096182180
2001-04-01	9.57660221590575
2001-07-01	9.57998144300385
2001-10-01	9.51482379519079
2002-01-01	9.44136202604105
2002-04-01	9.07233833675449
2002-07-01	8.85597951341941
2002-10-01	9.00769035836733
2003-01-01	8.91028496454052
2003-04-01	8.85586176948462
2003-07-01	8.88704008174719
2003-10-01	9.01409962128615
2004-01-01	8.77051420765516
2004-04-01	9.43803251544708
2004-07-01	8.92119101186487
2004-10-01	8.69127202652612
2005-01-01	8.74854817720563
2005-04-01	8.60559102203988
2005-07-01	8.51944759201328
2005-10-01	8.77685450191725
2006-01-01	8.29587838855316
2006-04-01	8.16881087966172
2006-07-01	8.16850357707907
2006-10-01	7.94224536347549
2007-01-01	7.54139693526820
2007-04-01	7.18654193879939
2007-07-01	7.31801940413617
2007-10-01	6.97045030788196
2008-01-01	6.74461225229931
2008-04-01	6.73063559820085
2008-07-01	6.73485289104660
2008-10-01	6.71603858705752
2009-01-01	6.72127872714530
2009-04-01	7.61867827354227
2009-07-01	7.99063936243391
2009-10-01	8.23256886608967
2010-01-01	7.79274046577849
2010-04-01	7.86041986569681
2010-07-01	7.61050078814180
2010-10-01	7.55571338666730
2011-01-01	7.74179616258548
2011-04-01	7.37768423792255
2011-07-01	6.99063499690252
2011-10-01	6.61916167762652
2012-01-01	6.93761632421805
2012-04-01	7.03318416087671
2012-07-01	7.60876393951507
2012-10-01	6.99553033039020
2013-01-01	7.61832694235967
2013-04-01	7.25859679934411
2013-07-01	7.44376577992981
2013-10-01	8.13878485933635
2014-01-01	8.02133271345566
2014-04-01	7.96953376755883
2014-07-01	7.79705195101957
2014-10-01	8.43683467647990
2015-01-01	8.65509932295105
2015-04-01	9.11774709034332
2015-07-01	9.13228993550547
2015-10-01	9.13000356068096
2016-01-01	8.80531233899271
2016-04-01	8.87492082998499
2016-07-01	8.55627919930926
2016-10-01	8.65045668920047
2017-01-01	8.53353496573820
2017-04-01	8.79261490718208
2017-07-01	8.76064349447216
2017-10-01	8.01361144008654
2018-01-01	8.59822659194352
2018-04-01	7.08818785067643