Quarter	Percent, Seasonally Adjusted
1998-01-01	7.29948669620802
1998-04-01	6.38981676012757
1998-07-01	6.47692602805790
1998-10-01	6.26618863154970
1999-01-01	5.79013832134095
1999-04-01	5.66102868997424
1999-07-01	5.25150661888772
1999-10-01	5.16766673712063
2000-01-01	5.31208355493950
2000-04-01	5.25122194076756
2000-07-01	5.46021221465941
2000-10-01	5.04179616026626
2001-01-01	5.44967419102946
2001-04-01	5.48615137683128
2001-07-01	5.14397135989610
2001-10-01	5.21700200781823
2002-01-01	5.33310784231428
2002-04-01	5.89702396011051
2002-07-01	6.60023472253950
2002-10-01	7.72597267835522
2003-01-01	7.46987476201866
2003-04-01	7.97755202427308
2003-07-01	7.36623980970021
2003-10-01	7.67158884916591
2004-01-01	7.55887831147012
2004-04-01	7.86730359363508
2004-07-01	8.29037401526294
2004-10-01	8.15253470983875
2005-01-01	8.80870274492240
2005-04-01	8.87711350527248
2005-07-01	9.38616461755201
2005-10-01	9.41166086680085
2006-01-01	9.31864171313477
2006-04-01	9.08370662568117
2006-07-01	9.42472519542316
2006-10-01	9.82846771706033
2007-01-01	10.13889646472810
2007-04-01	10.33362916760740
2007-07-01	9.82569356587433
2007-10-01	9.96543220407671
2008-01-01	9.16931260286207
2008-04-01	9.12267108726197
2008-07-01	9.48563263879125
2008-10-01	9.31349433581543
2009-01-01	9.93440527976050
2009-04-01	10.40815805926530
2009-07-01	11.17897123106600
2009-10-01	11.18413266392090
2010-01-01	11.74569879875130
2010-04-01	12.54946865407520
2010-07-01	12.96644352809430
2010-10-01	12.72305263820310
2011-01-01	12.95645600794410
2011-04-01	13.31346897862800
2011-07-01	13.52607605023510
2011-10-01	14.35118425725270
2012-01-01	15.15370833247030
2012-04-01	15.77978197020100
2012-07-01	16.13562551771480
2012-10-01	17.39182167888920
2013-01-01	17.52294961582010
2013-04-01	17.61485701868110
2013-07-01	16.56316042452280
2013-10-01	16.27309995002720
2014-01-01	15.09726347513050
2014-04-01	15.33350526249600
2014-07-01	14.66139802712030
2014-10-01	14.05273586802170
2015-01-01	14.30385051882390
2015-04-01	12.66783142271390
2015-07-01	12.81764110091010
2015-10-01	12.62858191692770
2016-01-01	12.24466698856400
2016-04-01	11.73160986238380
2016-07-01	11.15673874179820
2016-10-01	10.74800336901270
2017-01-01	10.33878594279110
2017-04-01	9.98271868676733
2017-07-01	9.48933405783117
2017-10-01	8.59750733369966
2018-01-01	8.02312978007131
2018-04-01	7.58568050826207