Quarter	Percent, Seasonally Adjusted
1998-01-01	11.04083829288640
1998-04-01	11.82954080831580
1998-07-01	13.93445617669890
1998-10-01	15.38392966408520
1999-01-01	17.06630781279940
1999-04-01	17.78443522746250
1999-07-01	18.54602029356190
1999-10-01	18.80465422732020
2000-01-01	18.41433453526470
2000-04-01	18.43001980736660
2000-07-01	17.56551939739030
2000-10-01	17.87795451578140
2001-01-01	17.91029188378510
2001-04-01	17.60478829797560
2001-07-01	17.54756826099950
2001-10-01	17.19739286455020
2002-01-01	17.03381755897290
2002-04-01	16.67682371888880
2002-07-01	17.17769580777140
2002-10-01	16.63484003958060
2003-01-01	17.72196797587440
2003-04-01	18.02126709700740
2003-07-01	18.76061963421100
2003-10-01	19.78318142339430
2004-01-01	20.48194478663140
2004-04-01	21.13747469441650
2004-07-01	20.91086145658260
2004-10-01	21.46310594511800
2005-01-01	20.50701608498190
2005-04-01	19.20955717813280
2005-07-01	18.42959110236630
2005-10-01	18.70207375182770
2006-01-01	19.63556132697320
2006-04-01	18.05323407855060
2006-07-01	17.20934545294470
2006-10-01	14.99563816149130
2007-01-01	12.29544083167000
2007-04-01	11.26459076047570
2007-07-01	9.84521378745137
2007-10-01	9.49897155665637
2008-01-01	10.13552053736780
2008-04-01	9.43767834731958
2008-07-01	9.70139118269393
2008-10-01	10.22011424238770
2009-01-01	12.92346023419950
2009-04-01	15.69063281789460
2009-07-01	17.91100615711240
2009-10-01	20.07148048643650
2010-01-01	19.25923023502620
2010-04-01	18.65584274125950
2010-07-01	18.05608663425520
2010-10-01	17.35571816914630
2011-01-01	17.22828659720130
2011-04-01	18.83786608031780
2011-07-01	18.22091963845970
2011-10-01	18.00198013521360
2012-01-01	19.51083473685400
2012-04-01	20.09918114539320
2012-07-01	18.76773475017030
2012-10-01	19.66495375638850
2013-01-01	19.37461071609210
2013-04-01	18.50467786432370
2013-07-01	19.03078546455750
2013-10-01	18.97129117195690
2014-01-01	16.80170501100650
2014-04-01	16.39325817739430
2014-07-01	15.63417959999270
2014-10-01	14.59227981865480
2015-01-01	14.29145934420480
2015-04-01	12.63194084357090
2015-07-01	12.17270173242400
2015-10-01	11.24747190876140
2016-01-01	10.31125096899810
2016-04-01	10.68523326392170
2016-07-01	10.69997837989900
2016-10-01	10.33139997316500
2017-01-01	9.18797019099982
2017-04-01	8.83015421287427
2017-07-01	7.74438134643752
2017-10-01	5.94399420921787
2018-01-01	7.17920164466875
2018-04-01	7.33696376401367