Quarter	Percent, Seasonally Adjusted
2000-01-01	17.63385543300450
2000-04-01	17.91102570164850
2000-07-01	18.18416160405590
2000-10-01	18.66075413730370
2001-01-01	19.11810452409780
2001-04-01	19.72030821815680
2001-07-01	20.01694132182260
2001-10-01	20.53738843424360
2002-01-01	20.81428181286340
2002-04-01	20.88659905205960
2002-07-01	21.09943646488900
2002-10-01	20.80056606088780
2003-01-01	20.60363518565130
2003-04-01	20.36060135931650
2003-07-01	20.46687434670220
2003-10-01	20.16725426012770
2004-01-01	20.21181451935880
2004-04-01	19.99379310704400
2004-07-01	19.66177979490390
2004-10-01	19.81588500881570
2005-01-01	19.76623810370880
2005-04-01	19.61046350858470
2005-07-01	19.08164283583670
2005-10-01	18.09109405050480
2006-01-01	16.81482640922880
2006-04-01	15.60719058622580
2006-07-01	14.19736591923950
2006-10-01	13.02443913099820
2007-01-01	11.81402996984430
2007-04-01	10.64325206197190
2007-07-01	9.82710357844192
2007-10-01	9.07314122288171
2008-01-01	8.50798189346950
2008-04-01	8.09279907112976
2008-07-01	7.73676141893848
2008-10-01	7.46499684671862
2009-01-01	8.72710155420061
2009-04-01	8.62612927214586
2009-07-01	8.62145547818816
2009-10-01	8.66486271685542
2010-01-01	10.35300375755170
2010-04-01	10.01141959489180
2010-07-01	9.82670761887819
2010-10-01	9.90159206608303
2011-01-01	10.06255739509740
2011-04-01	10.28343281498270
2011-07-01	10.53893884307400
2011-10-01	10.71010408893920
2012-01-01	10.69777811706810
2012-04-01	10.86130773634340
2012-07-01	10.96680474135990
2012-10-01	11.10413341681580
2013-01-01	11.30553308757920
2013-04-01	11.27147134885970
2013-07-01	11.10941392906730
2013-10-01	10.76103316635780
2014-01-01	10.35804463892010
2014-04-01	9.88102776387512
2014-07-01	9.28230408620031
2014-10-01	8.84284433563207
2015-01-01	8.33953912189762
2015-04-01	7.88289815741244
2015-07-01	7.51356974165496
2015-10-01	7.10098193722625
2016-01-01	6.76855773016160
2016-04-01	6.36946326829455
2016-07-01	6.06278743068094
2016-10-01	5.70102108074433
2017-01-01	5.28131589774410
2017-04-01	5.06772051776854
2017-07-01	4.78645760461284
2017-10-01	4.49311432332118
2018-01-01	4.14204302396375
2018-04-01	3.77340762585469