Quarter	Percent, Seasonally Adjusted
1999-01-01	8.99469520463795
1999-04-01	9.06449125001166
1999-07-01	8.31425735229463
1999-10-01	7.87075798757013
2000-01-01	7.23680816219448
2000-04-01	6.92642600551770
2000-07-01	7.03217323102211
2000-10-01	6.84154843462925
2001-01-01	6.21903090689674
2001-04-01	6.48497038929437
2001-07-01	6.31858820677073
2001-10-01	7.41248293793406
2002-01-01	7.34495081625594
2002-04-01	7.25965420113004
2002-07-01	7.45399310930587
2002-10-01	7.99168588670728
2003-01-01	8.11036748870606
2003-04-01	8.05162506313232
2003-07-01	8.15032927182337
2003-10-01	8.38121386375218
2004-01-01	8.56255882081807
2004-04-01	7.73772486246350
2004-07-01	8.93995041912345
2004-10-01	8.32168711120294
2005-01-01	8.45563087152974
2005-04-01	8.46658941833744
2005-07-01	8.48271943009632
2005-10-01	8.35800821694997
2006-01-01	8.55882951400704
2006-04-01	8.69379669907044
2006-07-01	7.90080427217901
2006-10-01	7.83732685724816
2007-01-01	7.84677883983348
2007-04-01	7.96375435576746
2007-07-01	7.04463789514968
2007-10-01	6.97624246301276
2008-01-01	6.96476608084720
2008-04-01	6.63917690563477
2008-07-01	7.53109555740629
2008-10-01	6.75835508020926
2009-01-01	7.81582773257175
2009-04-01	7.84149434509888
2009-07-01	7.98882651324721
2009-10-01	7.98262156347306
2010-01-01	8.49867621451751
2010-04-01	8.48433616808296
2010-07-01	8.41268379428989
2010-10-01	7.78012920500393
2011-01-01	7.06984018695707
2011-04-01	6.92051183107268
2011-07-01	7.56670515048042
2011-10-01	7.00236111739561
2012-01-01	7.10970711119792
2012-04-01	7.32769361837018
2012-07-01	7.52697719664856
2012-10-01	8.19171726215511
2013-01-01	8.36067895298566
2013-04-01	8.46212525048857
2013-07-01	8.44791667604410
2013-10-01	8.42718119292822
2014-01-01	8.60675825810836
2014-04-01	8.57345600998570
2014-07-01	8.45761495816510
2014-10-01	8.45310544853598
2015-01-01	8.62589116901343
2015-04-01	8.71945688291258
2015-07-01	7.98021771776763
2015-10-01	8.60109666803282
2016-01-01	8.21688460133357
2016-04-01	8.28664846211754
2016-07-01	7.68643644024230
2016-10-01	7.13820289395772
2017-01-01	7.63124377345633
2017-04-01	7.34733578852510
2017-07-01	7.05348608537853
2017-10-01	6.31949930096891
2018-01-01	6.05778167699912
2018-04-01	6.36457270328638