Quarter	Percent, Seasonally Adjusted
1999-04-01	4.26469443312874
1999-07-01	3.75252872970856
1999-10-01	3.46521558244703
2000-01-01	2.84074154596869
2000-04-01	2.59218313811700
2000-07-01	2.58495695124475
2000-10-01	2.45875485917850
2001-01-01	2.74472311646235
2001-04-01	2.68239400927315
2001-07-01	2.47233795780978
2001-10-01	2.34399327412400
2002-01-01	2.62467925116990
2002-04-01	2.40878762700359
2002-07-01	2.31919176488510
2002-10-01	2.68467447990041
2003-01-01	2.50504532453662
2003-04-01	2.44252796596387
2003-07-01	2.51354581076056
2003-10-01	2.57237043009515
2004-01-01	2.53878392303822
2004-04-01	2.40516100145926
2004-07-01	2.70481136140406
2004-10-01	2.64475833625691
2005-01-01	2.96862251857576
2005-04-01	2.85794257240374
2005-07-01	2.67317325632153
2005-10-01	2.72353437980881
2006-01-01	2.22408761495884
2006-04-01	2.39483783537349
2006-07-01	2.69234826883258
2006-10-01	2.34719064404977
2007-01-01	2.54282388107445
2007-04-01	2.42405747836093
2007-07-01	2.43254394166139
2007-10-01	2.51557536653878
2008-01-01	2.70886608221061
2008-04-01	3.21999852633289
2008-07-01	3.70971795090254
2008-10-01	4.03515818824389
2009-01-01	5.83323961791572
2009-04-01	5.91168322062590
2009-07-01	7.06212377504556
2009-10-01	7.21319591939648
2010-01-01	8.35967128832593
2010-04-01	8.41334324183694
2010-07-01	8.93436974891813
2010-10-01	9.14004448170400
2011-01-01	8.91765253913600
2011-04-01	9.21035896036273
2011-07-01	10.23989853611220
2011-10-01	10.06412224283790
2012-01-01	10.42924830967190
2012-04-01	10.09086903109000
2012-07-01	11.13620631724350
2012-10-01	10.39023700529470
2013-01-01	11.61635111260990
2013-04-01	11.01959146933030
2013-07-01	10.64434289785440
2013-10-01	9.89358388454143
2014-01-01	10.00155771072910
2014-04-01	9.85150117170197
2014-07-01	9.31896600705439
2014-10-01	8.91138335531964
2015-01-01	8.30054653109150
2015-04-01	8.07325475392045
2015-07-01	7.61282713092370
2015-10-01	7.00967650250647
2016-01-01	6.73310193197201
2016-04-01	6.72314034216580
2016-07-01	6.11322342550412
2016-10-01	6.02437532504861
2017-01-01	6.32137892821024
2017-04-01	5.57294418554300
2017-07-01	5.52756791013884
2017-10-01	5.53213016824647
2018-01-01	4.97309128011415
2018-04-01	4.67580842663726