Quarter	Percent, Seasonally Adjusted
1998-01-01	4.07978933636588
1998-04-01	3.43418708775901
1998-07-01	3.36171521057926
1998-10-01	3.38837787180258
1999-01-01	3.28195652814698
1999-04-01	3.95415971652864
1999-07-01	3.58740860647454
1999-10-01	3.44407890482802
2000-01-01	3.01310225837748
2000-04-01	2.84942833298728
2000-07-01	2.73689473455493
2000-10-01	2.39482371576594
2001-01-01	2.51599640733070
2001-04-01	2.57350256903674
2001-07-01	2.67363662918887
2001-10-01	2.72824312310813
2002-01-01	2.84287426390499
2002-04-01	3.31409623669761
2002-07-01	3.32044816040146
2002-10-01	4.53102249007954
2003-01-01	5.10534213737288
2003-04-01	4.85183967636322
2003-07-01	4.90938409701801
2003-10-01	4.72260567901079
2004-01-01	4.51396322617556
2004-04-01	4.94532800841985
2004-07-01	5.24513605631142
2004-10-01	5.67773415984627
2005-01-01	5.93267244194454
2005-04-01	6.07844064892569
2005-07-01	6.25931239777784
2005-10-01	6.31337844509901
2006-01-01	5.73872047482781
2006-04-01	5.85148695297812
2006-07-01	5.48494776709976
2006-10-01	6.24692374593160
2007-01-01	6.29618406709359
2007-04-01	6.14878415179688
2007-07-01	6.24664869569690
2007-10-01	5.71442052525678
2008-01-01	5.63140131629048
2008-04-01	5.78822450758447
2008-07-01	6.13801795792656
2008-10-01	6.32637694368823
2009-01-01	7.33165673685066
2009-04-01	8.22030585967304
2009-07-01	9.18279514985232
2009-10-01	9.16762708809593
2010-01-01	8.87084832113947
2010-04-01	9.22201095571200
2010-07-01	9.19029666777837
2010-10-01	9.78692382590094
2011-01-01	10.91302488283860
2011-04-01	11.06162993678560
2011-07-01	11.45241346059910
2011-10-01	12.80743038336730
2012-01-01	13.07117319180650
2012-04-01	14.28958954419260
2012-07-01	15.65283742644960
2012-10-01	15.69265313051390
2013-01-01	16.44068964115380
2013-04-01	16.06462276079300
2013-07-01	15.00241348315960
2013-10-01	14.16828921403640
2014-01-01	13.00996222104090
2014-04-01	12.16646219195450
2014-07-01	11.47390155185190
2014-10-01	11.42621533636020
2015-01-01	11.19273095439910
2015-04-01	11.15044446354550
2015-07-01	10.60801583864730
2015-10-01	10.32804445641590
2016-01-01	10.39805624289610
2016-04-01	9.68395577845471
2016-07-01	9.69362998567428
2016-10-01	8.82796848992097
2017-01-01	8.07568316455228
2017-04-01	7.53211175185681
2017-07-01	6.89388339704759
2017-10-01	6.62616371502396
2018-01-01	6.10988026964402
2018-04-01	5.74866042949628