Quarter	Percent, Seasonally Adjusted
1998-01-01	29.2760405548505
1998-04-01	29.3431071509890
1998-07-01	29.5908417173577
1998-10-01	29.2867335752422
1999-01-01	29.2586025590551
1999-04-01	29.0569238537445
1999-07-01	29.0911253235901
1999-10-01	29.0623195249684
2000-01-01	28.6727419546651
2000-04-01	28.8432481159501
2000-07-01	28.3637504262730
2000-10-01	28.4585947775633
2001-01-01	27.9802738660295
2001-04-01	28.1509986556576
2001-07-01	27.9395006844038
2001-10-01	27.7265054304201
2002-01-01	27.5773896123650
2002-04-01	27.3902137487113
2002-07-01	27.1247320470124
2002-10-01	27.2416986916256
2003-01-01	26.9835238123663
2003-04-01	27.1129385284956
2003-07-01	27.2643976679652
2003-10-01	27.2706982118992
2004-01-01	27.4792181064227
2004-04-01	27.3511008405516
2004-07-01	27.2103654411400
2004-10-01	27.0220314838145
2005-01-01	27.0163647601734
2005-04-01	26.9264056960073
2005-07-01	26.6896857898556
2005-10-01	26.5700000641368
2006-01-01	26.5582066289949
2006-04-01	26.3801585579841
2006-07-01	26.2731252367726
2006-10-01	26.3163579544242
2007-01-01	26.2101704202075
2007-04-01	26.3836667006865
2007-07-01	25.9179929953054
2007-10-01	26.0378276948381
2008-01-01	26.1082532382107
2008-04-01	25.8509397899632
2008-07-01	26.0243645388365
2008-10-01	26.2242429587516
2009-01-01	26.3263389131255
2009-04-01	26.5009279170984
2009-07-01	26.8302240196631
2009-10-01	26.6338635312909
2010-01-01	26.2509503176374
2010-04-01	26.3642226337762
2010-07-01	26.2872510859530
2010-10-01	26.3881830357220
2011-01-01	26.1665812820946
2011-04-01	26.1546175025485
2011-07-01	26.3889674237681
2011-10-01	26.7722656443817
2012-01-01	26.5706523308327
2012-04-01	26.4614352775912
2012-07-01	26.3719106396954
2012-10-01	26.9769282123586
2013-01-01	27.1678794859300
2013-04-01	27.0781740837581
2013-07-01	26.9622989946881
2013-10-01	26.6256009176186
2014-01-01	26.9163797913849
2014-04-01	26.7083858449585
2014-07-01	26.6116532293722
2014-10-01	26.8065256406113
2015-01-01	26.6719291044459
2015-04-01	26.6121724652463
2015-07-01	26.6366007196654
2015-10-01	26.4788964984532
2016-01-01	26.4702819957461
2016-04-01	26.5068267779993
2016-07-01	26.0301953645439
2016-10-01	26.0737073511985
2017-01-01	25.7937501767090
2017-04-01	25.5503169289726
2017-07-01	25.0508701713126
2017-10-01	24.9383458527639
2018-01-01	24.9267540839556
2018-04-01	24.8876171497461