Quarter	Percent, Seasonally Adjusted
1999-04-01	4.93832895083689
1999-07-01	4.55462968714867
1999-10-01	4.59744395442416
2000-01-01	4.06268424085248
2000-04-01	3.71650064541315
2000-07-01	3.23500374181362
2000-10-01	3.19483243208764
2001-01-01	3.23473177325074
2001-04-01	3.08697851781416
2001-07-01	3.07978680307793
2001-10-01	2.96870795950593
2002-01-01	3.33699753512824
2002-04-01	3.22992114660647
2002-07-01	3.26199224465496
2002-10-01	3.48308457975377
2003-01-01	3.54316411434710
2003-04-01	3.48640883082958
2003-07-01	3.68127781268589
2003-10-01	3.39662957811341
2004-01-01	3.26748970866856
2004-04-01	3.23808182395758
2004-07-01	2.92529668494534
2004-10-01	3.25877114928387
2005-01-01	3.05401322727903
2005-04-01	3.14022283794720
2005-07-01	3.19966213817151
2005-10-01	3.56518182831101
2006-01-01	3.60225919222216
2006-04-01	3.57647861238174
2006-07-01	3.55533118192871
2006-10-01	3.44215289606972
2007-01-01	4.53139474199750
2007-04-01	4.44496184731969
2007-07-01	4.54944763780908
2007-10-01	4.02479539514779
2008-01-01	4.19048554580241
2008-04-01	4.31958499989561
2008-07-01	5.39637799473168
2008-10-01	5.61642407689942
2009-01-01	7.30652411849957
2009-04-01	8.05401458131171
2009-07-01	9.47347407082772
2009-10-01	8.77522334619551
2010-01-01	9.04310844319062
2010-04-01	10.28588004374300
2010-07-01	10.80579506877800
2010-10-01	10.71686016655350
2011-01-01	11.16179217560760
2011-04-01	11.30887978999610
2011-07-01	12.40000528872510
2011-10-01	11.58082079259760
2012-01-01	12.33549792576530
2012-04-01	11.54391097528190
2012-07-01	12.00378764672610
2012-10-01	11.18320122348610
2013-01-01	11.68150004598150
2013-04-01	11.72404070062380
2013-07-01	11.17580006233990
2013-10-01	10.56357159377980
2014-01-01	10.59573314539800
2014-04-01	9.77938940085132
2014-07-01	10.58867415805300
2014-10-01	8.89138979812826
2015-01-01	8.83328033428430
2015-04-01	8.66685244886584
2015-07-01	8.21249286736091
2015-10-01	7.26480997810065
2016-01-01	7.28972247478424
2016-04-01	7.46913830955250
2016-07-01	7.24823265830120
2016-10-01	6.22627980896029
2017-01-01	6.20735296489847
2017-04-01	5.04418430026256
2017-07-01	5.53141564748166
2017-10-01	4.98940532627216
2018-01-01	4.88183950409213
2018-04-01	4.83288052243570