Quarter	Percent, Seasonally Adjusted
1998-01-01	51.6464064132826
1998-04-01	51.8480003842129
1998-07-01	52.0711233399039
1998-10-01	52.2185500844775
1999-01-01	52.4442083410892
1999-04-01	52.6045179097488
1999-07-01	52.7743283608643
1999-10-01	52.9515008513296
2000-01-01	53.0335129214217
2000-04-01	53.4942963152368
2000-07-01	53.9036898465461
2000-10-01	54.3849976664602
2001-01-01	54.5721845611439
2001-04-01	54.5882832879936
2001-07-01	54.8945767842707
2001-10-01	55.0577014750194
2002-01-01	55.4284394215524
2002-04-01	55.3980007972270
2002-07-01	55.5991687951176
2002-10-01	55.7066205195640
2003-01-01	55.8556614172293
2003-04-01	56.0536130086841
2003-07-01	56.2779198803557
2003-10-01	56.2500968004622
2004-01-01	57.4622256347825
2004-04-01	57.6737238038814
2004-07-01	57.8539628557706
2004-10-01	57.9105982755240
2005-01-01	57.6588564596328
2005-04-01	57.5604796839981
2005-07-01	57.3545614703519
2005-10-01	57.7417542578748
2006-01-01	58.2197986486442
2006-04-01	58.4891578167757
2006-07-01	58.2655204025933
2006-10-01	58.3773827908687
2007-01-01	58.2891142767508
2007-04-01	58.4803639048612
2007-07-01	58.8061263336750
2007-10-01	58.6631273963598
2008-01-01	58.7310670159162
2008-04-01	58.7716173389317
2008-07-01	58.6919029913147
2008-10-01	58.3385330680990
2009-01-01	57.7657776220832
2009-04-01	57.5583020992521
2009-07-01	57.2286447250594
2009-10-01	56.9339755430019
2010-01-01	56.8616174126916
2010-04-01	56.7892689462442
2010-07-01	56.5914831778177
2010-10-01	56.7891247878169
2011-01-01	56.9389470567204
2011-04-01	56.8128029391303
2011-07-01	56.7514252566169
2011-10-01	56.6736027755200
2012-01-01	56.7712436095228
2012-04-01	56.7779156302806
2012-07-01	56.6183978618654
2012-10-01	56.3783944491751
2013-01-01	55.8642673747973
2013-04-01	55.4276123606072
2013-07-01	55.3364442871399
2013-10-01	55.5264559449508
2014-01-01	55.5732762336479
2014-04-01	55.5739269129764
2014-07-01	55.7162350675412
2014-10-01	55.9042531292605
2015-01-01	56.0178160627289
2015-04-01	56.0381599813572
2015-07-01	56.4773692701127
2015-10-01	56.6268825188889
2016-01-01	56.8626119250976
2016-04-01	57.3547571751061
2016-07-01	57.2605841384779
2016-10-01	57.3948908896124
2017-01-01	57.8051893059752
2017-04-01	57.7812209647925
2017-07-01	58.0235149897700
2017-10-01	58.2122865204086
2018-01-01	58.2797669553050
2018-04-01	58.7092803119970