Quarter	Percent, Seasonally Adjusted
1999-01-01	6.36434052715786
1999-04-01	6.25314248918725
1999-07-01	6.75960537669464
1999-10-01	6.42470131076781
2000-01-01	5.52634483199822
2000-04-01	6.22398702520540
2000-07-01	6.12098197046474
2000-10-01	5.46670381192955
2001-01-01	5.24872178467079
2001-04-01	5.17677597370346
2001-07-01	5.51295254803124
2001-10-01	5.78722950613330
2002-01-01	6.33086643973747
2002-04-01	5.67235446831622
2002-07-01	5.25521758826146
2002-10-01	5.93896166496992
2003-01-01	5.67974685035945
2003-04-01	6.36300673514466
2003-07-01	6.15487954632311
2003-10-01	5.91378822165648
2004-01-01	5.65212713544826
2004-04-01	5.63891050042682
2004-07-01	5.78636951801470
2004-10-01	5.90446234718732
2005-01-01	6.19492142695418
2005-04-01	5.83279509704087
2005-07-01	5.82320479156430
2005-10-01	6.84736573337289
2006-01-01	7.08467422806457
2006-04-01	6.34906782656464
2006-07-01	6.36908112429001
2006-10-01	6.53656075587328
2007-01-01	6.19144393184046
2007-04-01	6.03737393323748
2007-07-01	5.25101204168690
2007-10-01	4.89103795629442
2008-01-01	4.61441600622975
2008-04-01	4.42193251861862
2008-07-01	3.89562187595101
2008-10-01	3.91049901370810
2009-01-01	4.34052087103800
2009-04-01	5.12848890574577
2009-07-01	5.81088513121400
2009-10-01	6.28923390564244
2010-01-01	6.50520631025426
2010-04-01	6.51071663820091
2010-07-01	6.95103192571595
2010-10-01	7.33036297646414
2011-01-01	7.65335096655529
2011-04-01	7.34442075790408
2011-07-01	7.86578756800875
2011-10-01	8.93271691930934
2012-01-01	7.86767916066417
2012-04-01	8.80391939820721
2012-07-01	9.92724563587570
2012-10-01	9.46475301014777
2013-01-01	10.62787856360320
2013-04-01	10.22266831425890
2013-07-01	10.90730568701080
2013-10-01	10.44807820672910
2014-01-01	10.98200207375320
2014-04-01	10.56389207687180
2014-07-01	10.24285396542610
2014-10-01	10.01059019702950
2015-01-01	10.18908232557310
2015-04-01	11.22047162659130
2015-07-01	10.58690498505620
2015-10-01	8.77035972783622
2016-01-01	9.37686763441329
2016-04-01	8.76551799020869
2016-07-01	8.34184554023652
2016-10-01	8.24405906451845
2017-01-01	8.10866020211667
2017-04-01	7.76027808000054
2017-07-01	7.40551686362365
2017-10-01	6.52179528772932
2018-01-01	6.22218559346590
2018-04-01	5.64577301083848