Quarter	Percent, Seasonally Adjusted
1999-01-01	13.52232624824670
1999-04-01	13.41511231628000
1999-07-01	12.80165172460420
1999-10-01	12.41390595205990
2000-01-01	11.45925786407610
2000-04-01	10.48679073425230
2000-07-01	10.49945495068030
2000-10-01	9.62738442263889
2001-01-01	9.24748037056987
2001-04-01	8.92523628272168
2001-07-01	9.06404433562208
2001-10-01	8.67705398902132
2002-01-01	7.62717615772499
2002-04-01	7.94192229536080
2002-07-01	7.54873988033514
2002-10-01	8.38181499195137
2003-01-01	8.44451887220747
2003-04-01	8.37463287571632
2003-07-01	8.37234852875877
2003-10-01	7.73082333450546
2004-01-01	8.37814226014321
2004-04-01	7.46184561164313
2004-07-01	7.40172661440387
2004-10-01	7.87507002675555
2005-01-01	7.18009623007402
2005-04-01	7.18105524981933
2005-07-01	7.28939045105178
2005-10-01	7.01802943466936
2006-01-01	7.17152924518369
2006-04-01	7.70760462243895
2006-07-01	7.03564076021668
2006-10-01	6.73535060022102
2007-01-01	6.56185923569519
2007-04-01	6.15424804219066
2007-07-01	6.02787841044263
2007-10-01	5.67570999144999
2008-01-01	6.45098275187790
2008-04-01	5.60491609075730
2008-07-01	6.24500360454156
2008-10-01	6.99567023544703
2009-01-01	8.58193560857684
2009-04-01	8.80732396311992
2009-07-01	8.36296738085003
2009-10-01	8.07886440243146
2010-01-01	8.04517616563728
2010-04-01	7.66430069582010
2010-07-01	7.25213577150171
2010-10-01	6.92401653301356
2011-01-01	6.74847309833499
2011-04-01	6.58207314866690
2011-07-01	6.48942190884229
2011-10-01	6.16356647168946
2012-01-01	5.80157369058338
2012-04-01	5.48523013671686
2012-07-01	5.36572817908230
2012-10-01	5.18151732849710
2013-01-01	5.36098433809277
2013-04-01	5.49740865925118
2013-07-01	5.53331520616079
2013-10-01	5.52087240763571
2014-01-01	5.14106646236280
2014-04-01	5.13941661244952
2014-07-01	5.13219122003518
2014-10-01	5.21263127359093
2015-01-01	5.35990067834626
2015-04-01	5.67556617637584
2015-07-01	5.52456263393731
2015-10-01	5.70913876933141
2016-01-01	5.52308423137096
2016-04-01	5.75438480770782
2016-07-01	5.51562192424505
2016-10-01	5.35584519921635
2017-01-01	5.22366726239795
2017-04-01	5.29116307799822
2017-07-01	5.25733254038580
2017-10-01	5.07504294078052
2018-01-01	4.76875135246211
2018-04-01	4.84237191327514
2018-07-01	4.80972595695504