Quarter	Percent, Seasonally Adjusted
1999-01-01	7.36153370137981
1999-04-01	7.77058574580184
1999-07-01	7.75393078905940
1999-10-01	7.48357859798472
2000-01-01	6.93656180797833
2000-04-01	7.32371730241134
2000-07-01	6.90769452361947
2000-10-01	6.38588690180149
2001-01-01	6.16465049118880
2001-04-01	6.05694550696576
2001-07-01	6.16168351984174
2001-10-01	6.87128774026404
2002-01-01	6.67525541737006
2002-04-01	6.33171160460776
2002-07-01	6.36193725378915
2002-10-01	6.42167629322010
2003-01-01	6.70274866326982
2003-04-01	6.88637426114479
2003-07-01	6.94990834116542
2003-10-01	6.68431294520166
2004-01-01	6.56132892005253
2004-04-01	6.42211600712985
2004-07-01	6.34259722990398
2004-10-01	6.47423093354595
2005-01-01	6.48495545831070
2005-04-01	6.16501321259628
2005-07-01	6.78109452326543
2005-10-01	7.22888243520156
2006-01-01	6.53777586783498
2006-04-01	6.28164768473786
2006-07-01	5.96005099410410
2006-10-01	5.59631183749479
2007-01-01	5.34800932152265
2007-04-01	4.91703175581050
2007-07-01	4.78164015699401
2007-10-01	4.77293929599373
2008-01-01	4.73647039139883
2008-04-01	4.42308237755922
2008-07-01	4.39138173607015
2008-10-01	4.30271800529708
2009-01-01	5.00896430534922
2009-04-01	5.91105145559719
2009-07-01	6.60527517883961
2009-10-01	6.49257256859628
2010-01-01	6.81890568911754
2010-04-01	7.46426801976623
2010-07-01	7.48914601564239
2010-10-01	7.86199826722376
2011-01-01	8.16823584425298
2011-04-01	8.08326092417720
2011-07-01	8.30313948705814
2011-10-01	8.81581640955367
2012-01-01	8.19596070386331
2012-04-01	8.56023709165199
2012-07-01	9.59101592456754
2012-10-01	9.62110070524878
2013-01-01	10.64339796736580
2013-04-01	10.77789621564810
2013-07-01	9.88588260947364
2013-10-01	9.81638000010922
2014-01-01	10.36073359051780
2014-04-01	9.75717484680432
2014-07-01	9.76681975995247
2014-10-01	9.73543785467976
2015-01-01	9.32476628780159
2015-04-01	9.57750680113102
2015-07-01	8.98859330110398
2015-10-01	8.51875942687886
2016-01-01	8.43663093983700
2016-04-01	8.10822867275485
2016-07-01	7.75559006978214
2016-10-01	8.10770878671955
2017-01-01	7.41005516175102
2017-04-01	6.75778508368491
2017-07-01	6.66967974106991
2017-10-01	5.84849657794109
2018-01-01	5.58855012534345
2018-04-01	5.51220739969754