Quarter	Percent, Seasonally Adjusted
1998-01-01	4.52112143965645
1998-04-01	4.15009152271690
1998-07-01	3.92643614162473
1998-10-01	3.90415232781062
1999-01-01	3.76402325020347
1999-04-01	4.50017626512959
1999-07-01	3.98534171102748
1999-10-01	3.74706375314421
2000-01-01	3.57663967634587
2000-04-01	3.27733394043474
2000-07-01	3.24339422379711
2000-10-01	2.95718872256416
2001-01-01	2.98522963442448
2001-04-01	3.08566788854697
2001-07-01	3.36190668038741
2001-10-01	3.37587465844538
2002-01-01	3.58392094406287
2002-04-01	4.04307223232511
2002-07-01	4.23541823918901
2002-10-01	4.89614367468145
2003-01-01	5.41486652178320
2003-04-01	5.44409308816086
2003-07-01	5.63641704911477
2003-10-01	5.64391790699537
2004-01-01	5.43684762482126
2004-04-01	5.84823861903981
2004-07-01	6.07162238245900
2004-10-01	6.26142441726707
2005-01-01	6.50920635050144
2005-04-01	6.73948459270773
2005-07-01	6.88548475340030
2005-10-01	6.92345277179808
2006-01-01	6.50957142996782
2006-04-01	6.64409182623805
2006-07-01	6.43373442815622
2006-10-01	6.99290866682547
2007-01-01	7.00709001051740
2007-04-01	6.71378399144626
2007-07-01	6.81058625198848
2007-10-01	6.33260936933792
2008-01-01	6.32999304071321
2008-04-01	6.43878985173222
2008-07-01	6.66773351177725
2008-10-01	6.96362613109059
2009-01-01	7.95946308454831
2009-04-01	8.81662661158074
2009-07-01	9.42912358527445
2009-10-01	9.77707908847684
2010-01-01	9.61047205971349
2010-04-01	9.88744789360470
2010-07-01	10.02001444490770
2010-10-01	10.32068173215690
2011-01-01	11.69186720319180
2011-04-01	12.09769845964620
2011-07-01	12.52459603165600
2011-10-01	14.09538636809480
2012-01-01	14.25966946954160
2012-04-01	15.43891949952780
2012-07-01	16.81005796922860
2012-10-01	17.01882936599130
2013-01-01	17.25869301581150
2013-04-01	16.87852675900850
2013-07-01	16.16200832192910
2013-10-01	15.02045485620070
2014-01-01	14.57544905675480
2014-04-01	14.01794529726280
2014-07-01	13.11145803657990
2014-10-01	13.23947933697490
2015-01-01	12.65959947275280
2015-04-01	12.54344775903230
2015-07-01	12.26493225270120
2015-10-01	12.05051288922550
2016-01-01	11.94373421247260
2016-04-01	11.27207854863830
2016-07-01	11.00987662431500
2016-10-01	10.36849611910100
2017-01-01	9.38274284257865
2017-04-01	8.85915746521612
2017-07-01	8.24368621922213
2017-10-01	7.68885864722131
2018-01-01	7.32978515196110
2018-04-01	6.74422338133361