Quarter	Percent, Seasonally Adjusted
1999-01-01	9.31862070191909
1999-04-01	9.18186156359635
1999-07-01	9.54681376509942
1999-10-01	9.56570064552284
2000-01-01	9.81546582272564
2000-04-01	9.29153502574866
2000-07-01	8.15836546406061
2000-10-01	7.59474074374948
2001-01-01	5.99976363068028
2001-04-01	5.71842167283561
2001-07-01	5.46569387259831
2001-10-01	5.44066944736806
2002-01-01	6.07595993732090
2002-04-01	6.01908462972644
2002-07-01	6.15662691065144
2002-10-01	6.29378316978753
2003-01-01	6.14896083979838
2003-04-01	5.96220343129884
2003-07-01	6.35502538848450
2003-10-01	5.84337023594241
2004-01-01	6.09609249716001
2004-04-01	6.15725078453502
2004-07-01	6.16305754599989
2004-10-01	6.35488500418430
2005-01-01	5.83980847279601
2005-04-01	6.18063753688253
2005-07-01	5.34865156744262
2005-10-01	5.39989756623399
2006-01-01	5.36291608556440
2006-04-01	4.82982390012609
2006-07-01	4.94280556729752
2006-10-01	4.65511419054284
2007-01-01	4.76043631118600
2007-04-01	4.86523841570901
2007-07-01	5.01841992323880
2007-10-01	5.37429689162689
2008-01-01	5.36004059774868
2008-04-01	5.91009338639699
2008-07-01	6.76380690034072
2008-10-01	7.74319460401039
2009-01-01	9.63281210145048
2009-04-01	10.97633618695080
2009-07-01	11.90097843487520
2009-10-01	12.89979343956780
2010-01-01	13.63162450948760
2010-04-01	14.33585514339040
2010-07-01	14.72131832444450
2010-10-01	14.95779187796280
2011-01-01	14.54180556861710
2011-04-01	14.95114504205810
2011-07-01	15.54351750194940
2011-10-01	16.46905657663790
2012-01-01	17.25789453000460
2012-04-01	17.72440370868630
2012-07-01	18.41072874247620
2012-10-01	18.98620631645730
2013-01-01	19.91498984613310
2013-04-01	20.29086820246000
2013-07-01	20.47148751249010
2013-10-01	20.39020880344990
2014-01-01	20.79024441914630
2014-04-01	20.50777245638080
2014-07-01	20.20678552187930
2014-10-01	20.14149407156780
2015-01-01	19.24717297266350
2015-04-01	18.69492913736020
2015-07-01	18.25213073533950
2015-10-01	17.85807714876280
2016-01-01	17.32634744895580
2016-04-01	17.15742554361880
2016-07-01	16.70554405915800
2016-10-01	16.23338183646590
2017-01-01	15.78845218419080
2017-04-01	14.92865058545460
2017-07-01	14.49638567508930
2017-10-01	14.18333506286220
2018-01-01	13.61543027092850
2018-04-01	13.11972884210020
2018-07-01	12.10407787933320