Quarter	Percent, Seasonally Adjusted
1998-01-01	47.9803514543740
1998-04-01	48.3412468358068
1998-07-01	48.6741053424050
1998-10-01	49.0147517711517
1999-01-01	49.3398080758109
1999-04-01	49.4196930584057
1999-07-01	49.6159339547205
1999-10-01	50.1402482594273
2000-01-01	50.1332505501650
2000-04-01	50.6094741608781
2000-07-01	51.2453159617743
2000-10-01	51.8014401471382
2001-01-01	52.2180624366581
2001-04-01	52.6265848296575
2001-07-01	53.0928641423970
2001-10-01	53.1557028074407
2002-01-01	53.7795879670304
2002-04-01	53.7580842398555
2002-07-01	54.2276188902938
2002-10-01	54.3104732510466
2003-01-01	54.6362427239857
2003-04-01	54.8701858881515
2003-07-01	55.0674528758857
2003-10-01	54.8345314260714
2004-01-01	57.9411468151736
2004-04-01	58.0011858293204
2004-07-01	57.7505849434252
2004-10-01	58.3174151904081
2005-01-01	58.1489552580168
2005-04-01	57.9730236069488
2005-07-01	57.8371462199725
2005-10-01	58.0462422139029
2006-01-01	59.0197896664528
2006-04-01	59.5077980306566
2006-07-01	59.2133146553358
2006-10-01	59.5546106951934
2007-01-01	59.0648574835237
2007-04-01	59.2197499459196
2007-07-01	60.0345781241998
2007-10-01	59.9376240342395
2008-01-01	60.3631055632786
2008-04-01	60.2646469249644
2008-07-01	60.3027045362877
2008-10-01	60.0515613577528
2009-01-01	59.4447962566537
2009-04-01	59.2116730275088
2009-07-01	59.0639865730904
2009-10-01	58.7285121150955
2010-01-01	58.4273349488717
2010-04-01	58.8022531106267
2010-07-01	58.7981512959624
2010-10-01	58.9823300648199
2011-01-01	59.1686777037237
2011-04-01	59.1965191911658
2011-07-01	58.8148886557033
2011-10-01	58.8568467776071
2012-01-01	59.2288602459566
2012-04-01	59.4528070876881
2012-07-01	59.2120089180611
2012-10-01	58.9383563317758
2013-01-01	58.4738009283513
2013-04-01	57.9033013255595
2013-07-01	57.6605164921633
2013-10-01	57.8005252674738
2014-01-01	57.7863791492776
2014-04-01	57.3842479980075
2014-07-01	57.5528305786060
2014-10-01	57.7559684181519
2015-01-01	57.9453087385639
2015-04-01	57.7865560685846
2015-07-01	57.7810118902379
2015-10-01	57.9136100217999
2016-01-01	58.1322217972916
2016-04-01	58.4187627033680
2016-07-01	58.6651765442024
2016-10-01	58.6251508530671
2017-01-01	58.8544641579258
2017-04-01	58.8290092219298
2017-07-01	59.1408860311102
2017-10-01	59.2627220336230
2018-01-01	59.1010513707492
2018-04-01	59.8049036998179