Quarter	Percent, Seasonally Adjusted
1998-01-01	4.87405117476684
1998-04-01	5.23014524286681
1998-07-01	5.58459332904761
1998-10-01	6.09741096617338
1999-01-01	6.88657912452017
1999-04-01	7.50523621139952
1999-07-01	7.75578918548708
1999-10-01	7.86856540041710
2000-01-01	8.16032820829288
2000-04-01	7.93282021534948
2000-07-01	7.53674979521474
2000-10-01	7.29941460343219
2001-01-01	7.15815940831656
2001-04-01	7.25747694938325
2001-07-01	7.22705448197723
2001-10-01	6.96265458763473
2002-01-01	6.49750055033706
2002-04-01	6.38170719980030
2002-07-01	6.35555294462997
2002-10-01	6.60488139715638
2003-01-01	6.47798139305947
2003-04-01	6.94923943051876
2003-07-01	7.17771129420244
2003-10-01	7.26838678808295
2004-01-01	7.46438572813954
2004-04-01	7.39198731945448
2004-07-01	7.19379747091347
2004-10-01	7.16418751701278
2005-01-01	7.18173451076528
2005-04-01	7.23007237187788
2005-07-01	7.08036475851758
2005-10-01	7.05506774753867
2006-01-01	6.81229677139001
2006-04-01	6.43243984292042
2006-07-01	6.24487623940779
2006-10-01	5.95307721665414
2007-01-01	5.40822388758433
2007-04-01	4.99455817531469
2007-07-01	4.75259691878061
2007-10-01	4.56069087917636
2008-01-01	4.10036564430745
2008-04-01	3.96085575804096
2008-07-01	3.86460274482126
2008-10-01	3.97806259687526
2009-01-01	5.01973522206951
2009-04-01	5.83042610539842
2009-07-01	6.45434395626929
2009-10-01	6.34521796771517
2010-01-01	6.86349513828625
2010-04-01	6.40792044259083
2010-07-01	6.25193957854854
2010-10-01	6.24628751393790
2011-01-01	6.15302734149676
2011-04-01	6.07639551601156
2011-07-01	5.76333496508995
2011-10-01	5.76279902448066
2012-01-01	5.97897191518143
2012-04-01	5.91978942702397
2012-07-01	6.26010014496158
2012-10-01	6.32513736907947
2013-01-01	6.33571978501417
2013-04-01	6.19532428866666
2013-07-01	6.30586599394181
2013-10-01	6.07644191253925
2014-01-01	5.94736601612493
2014-04-01	5.71453831878488
2014-07-01	5.33490220884328
2014-10-01	5.38839416652291
2015-01-01	5.28613548401753
2015-04-01	4.63602576984793
2015-07-01	4.47820089761497
2015-10-01	4.15950983170747
2016-01-01	3.71623443649518
2016-04-01	3.64082562313303
2016-07-01	3.59771954347082
2016-10-01	3.22606421467505
2017-01-01	3.01988081048967
2017-04-01	2.79076282059418
2017-07-01	2.50454546324496
2017-10-01	2.34840841114439
2018-01-01	2.07618294464570
2018-04-01	2.01783505235488