Quarter	Percent, Seasonally Adjusted
1998-01-01	13.21234788566810
1998-04-01	13.56104583116260
1998-07-01	13.42165556723480
1998-10-01	13.43890421236230
1999-01-01	13.15938633881230
1999-04-01	13.32949990994210
1999-07-01	13.33612250691910
1999-10-01	12.44760501184230
2000-01-01	12.57478790975970
2000-04-01	12.30704434415070
2000-07-01	11.91627673686350
2000-10-01	11.43350128950970
2001-01-01	11.50009075015380
2001-04-01	11.02101709419160
2001-07-01	10.98850547747680
2001-10-01	10.77557537222240
2002-01-01	10.42647966949050
2002-04-01	10.88648054331880
2002-07-01	10.49406037299520
2002-10-01	10.11833823095130
2003-01-01	9.85853918807334
2003-04-01	10.35675440695680
2003-07-01	10.06196981552270
2003-10-01	9.66027164790281
2004-01-01	9.86118828383689
2004-04-01	8.70998297857825
2004-07-01	9.09133019204674
2004-10-01	9.03931537176710
2005-01-01	8.90923670190207
2005-04-01	8.87678888992582
2005-07-01	8.64666105723132
2005-10-01	9.30194906504378
2006-01-01	8.28560395820858
2006-04-01	7.76742410449890
2006-07-01	7.68300797004142
2006-10-01	7.54750121464450
2007-01-01	6.90696118978882
2007-04-01	6.95831950358922
2007-07-01	7.14072634851911
2007-10-01	7.43101452550516
2008-01-01	7.75619755918150
2008-04-01	8.00350072979243
2008-07-01	7.73565189379598
2008-10-01	7.41433056501334
2009-01-01	8.01467323594756
2009-04-01	8.24319629055196
2009-07-01	8.49339243964231
2009-10-01	9.01283457817878
2010-01-01	9.27010959537260
2010-04-01	8.97959379784183
2010-07-01	8.67187744871455
2010-10-01	8.64445412700452
2011-01-01	8.18932220527447
2011-04-01	8.11122507986139
2011-07-01	9.07676147640959
2011-10-01	9.64234664594707
2012-01-01	10.49327472932120
2012-04-01	10.80584114842480
2012-07-01	11.02039323109990
2012-10-01	11.40399025828620
2013-01-01	12.32490792536910
2013-04-01	12.42665199912490
2013-07-01	12.24429253375880
2013-10-01	12.34044462133710
2014-01-01	12.87347112294210
2014-04-01	12.90690027608600
2014-07-01	13.26286359929280
2014-10-01	13.69290689204430
2015-01-01	12.33105655240180
2015-04-01	12.48927143882220
2015-07-01	11.93577059235430
2015-10-01	12.00442082495880
2016-01-01	11.83718061046760
2016-04-01	12.72662648140970
2016-07-01	12.51484556075360
2016-10-01	12.71817017056520
2017-01-01	12.61800657289650
2017-04-01	12.24471388223620
2017-07-01	12.57001789604320
2017-10-01	11.80055687079180
2018-01-01	12.34090872058590
2018-04-01	12.08658734878320