Quarter	Percent, Seasonally Adjusted
1999-04-01	6.85127900769698
1999-07-01	6.58959318252147
1999-10-01	6.46007685868481
2000-01-01	6.28477162329129
2000-04-01	6.20964850869194
2000-07-01	5.85762594155294
2000-10-01	5.84851213581612
2001-01-01	5.70676701706004
2001-04-01	5.24002057066814
2001-07-01	5.59289225394114
2001-10-01	5.61235224177052
2002-01-01	5.61482664142157
2002-04-01	5.66674361580312
2002-07-01	5.69258490018373
2002-10-01	5.65925236047114
2003-01-01	5.58862574000692
2003-04-01	5.48818837545073
2003-07-01	5.53844745682928
2003-10-01	5.41934564341700
2004-01-01	5.12169173099471
2004-04-01	4.99126024289285
2004-07-01	5.07761812351918
2004-10-01	5.08879317394194
2005-01-01	4.99844716332816
2005-04-01	5.00348244946193
2005-07-01	5.07325065243700
2005-10-01	5.47596305480908
2006-01-01	5.55045792569632
2006-04-01	5.74368166567038
2006-07-01	5.80248108386499
2006-10-01	5.67565279297263
2007-01-01	5.76149040434831
2007-04-01	5.53031556584373
2007-07-01	5.52199726351930
2007-10-01	5.25861312131577
2008-01-01	5.42665735665287
2008-04-01	5.65737894815865
2008-07-01	6.28013059964297
2008-10-01	6.88658899656663
2009-01-01	7.73470237233336
2009-04-01	8.71827283456199
2009-07-01	8.84114615569748
2009-10-01	8.68949172510536
2010-01-01	9.00431928836039
2010-04-01	8.62206443106450
2010-07-01	8.22244540484048
2010-10-01	8.43829225992818
2011-01-01	8.28921646779635
2011-04-01	8.46681364755526
2011-07-01	8.87053058583924
2011-10-01	8.92683708527374
2012-01-01	8.64180504366085
2012-04-01	8.37650179003359
2012-07-01	8.13837492457560
2012-10-01	8.11131543071194
2013-01-01	8.20386517878023
2013-04-01	8.22748514411303
2013-07-01	7.88341209715485
2013-10-01	7.48070976865882
2014-01-01	6.93660925000106
2014-04-01	6.46269411474351
2014-07-01	6.17031032838467
2014-10-01	5.88284719628752
2015-01-01	5.59253090473761
2015-04-01	5.68581165874952
2015-07-01	5.45693375728094
2015-10-01	5.08955708632347
2016-01-01	5.04291800413315
2016-04-01	4.92626248179309
2016-07-01	4.92584873280949
2016-10-01	4.81111891503201
2017-01-01	4.69476302579239
2017-04-01	4.48736060288636
2017-07-01	4.31327742009956
2017-10-01	4.24932729752048
2018-01-01	4.16064648205243
2018-04-01	3.94696322684690