Quarter	Percent, Seasonally Adjusted
1999-01-01	7.23123176317392
1999-04-01	7.02177619372806
1999-07-01	6.99940689061670
1999-10-01	6.72718556271866
2000-01-01	6.55589705208193
2000-04-01	6.64100386480013
2000-07-01	6.31955070514319
2000-10-01	6.14372782096957
2001-01-01	5.85421488685371
2001-04-01	5.75184346084830
2001-07-01	5.62763611066991
2001-10-01	5.67616377431870
2002-01-01	5.61153378854525
2002-04-01	5.69973450683380
2002-07-01	5.97523807234594
2002-10-01	6.03846289614992
2003-01-01	6.15620284693193
2003-04-01	5.89484899514906
2003-07-01	5.76686727051709
2003-10-01	5.65772355555709
2004-01-01	5.82240911783590
2004-04-01	5.93622516339320
2004-07-01	6.15149302205828
2004-10-01	6.40578207185191
2005-01-01	6.78201971658845
2005-04-01	7.25173027561431
2005-07-01	7.31435801819462
2005-10-01	7.40067589422642
2006-01-01	7.41800503815270
2006-04-01	7.39305881263066
2006-07-01	7.61924246962407
2006-10-01	7.54667808635428
2007-01-01	7.22422984099857
2007-04-01	7.19580900799283
2007-07-01	7.35701004925887
2007-10-01	7.84789013428927
2008-01-01	7.56807338982241
2008-04-01	7.71729658986560
2008-07-01	7.80459944071905
2008-10-01	8.17708771524960
2009-01-01	9.21029982173056
2009-04-01	9.73037035176867
2009-07-01	10.52467484156530
2009-10-01	10.65414558139780
2010-01-01	11.13690100837380
2010-04-01	11.33644205438550
2010-07-01	11.10758290549540
2010-10-01	11.10672562512110
2011-01-01	11.08529253500360
2011-04-01	11.01780483481200
2011-07-01	11.00694848818390
2011-10-01	11.00897428173820
2012-01-01	11.21239108989470
2012-04-01	11.12506481786980
2012-07-01	10.75358957306040
2012-10-01	10.92437839823110
2013-01-01	10.92832996824560
2013-04-01	10.32583126275910
2013-07-01	10.09517722356570
2013-10-01	9.37116450282117
2014-01-01	7.80158717737159
2014-04-01	8.20276611424239
2014-07-01	7.57794726417554
2014-10-01	7.32361490317849
2015-01-01	7.37364841704530
2015-04-01	6.96899847496514
2015-07-01	6.56488035288476
2015-10-01	6.35186959282568
2016-01-01	5.73947438789993
2016-04-01	5.16561165955789
2016-07-01	4.98583996896516
2016-10-01	4.57058217721358
2017-01-01	4.33500545412179
2017-04-01	4.28250774091248
2017-07-01	4.10562144764033
2017-10-01	3.90163984872907
2018-01-01	3.71077669946396
2018-04-01	3.56754943811421