Quarter	Percent, Seasonally Adjusted
1999-01-01	10.15378569576360
1999-04-01	10.73171145810970
1999-07-01	9.40569737411288
1999-10-01	9.88433783805967
2000-01-01	6.66532242481886
2000-04-01	7.15764876473644
2000-07-01	7.09937821640576
2000-10-01	5.66518907716503
2001-01-01	7.75985121637763
2001-04-01	9.53237461496568
2001-07-01	9.00735471070032
2001-10-01	8.73031185264509
2002-01-01	7.48350505488204
2002-04-01	5.52704676368138
2002-07-01	8.29345115156037
2002-10-01	8.46245992215262
2003-01-01	11.24379834083420
2003-04-01	9.33403276573761
2003-07-01	8.60295232515785
2003-10-01	7.89744852548904
2004-01-01	8.31960868863245
2004-04-01	7.35923442993989
2004-07-01	6.27065657466520
2004-10-01	7.58151341766131
2005-01-01	7.40845365388383
2005-04-01	10.11194009667370
2005-07-01	8.77248412409659
2005-10-01	8.06360847168429
2006-01-01	9.15558568050031
2006-04-01	7.97872361131139
2006-07-01	6.56940857988913
2006-10-01	6.25827130930668
2007-01-01	7.48267873031651
2007-04-01	6.85160637223299
2007-07-01	8.37051695958876
2007-10-01	6.93457183481232
2008-01-01	8.60712644150347
2008-04-01	8.89435333358326
2008-07-01	9.03687460288160
2008-10-01	8.25031117730411
2009-01-01	8.57081780969896
2009-04-01	10.65728410062230
2009-07-01	10.29692317656520
2009-10-01	11.69324747733780
2010-01-01	11.24297735795840
2010-04-01	10.91977472665930
2010-07-01	12.61008375641600
2010-10-01	12.28569217952790
2011-01-01	11.60766850218030
2011-04-01	12.01383461966610
2011-07-01	13.36037965025750
2011-10-01	13.98820392058500
2012-01-01	13.88191882743640
2012-04-01	14.58183122837590
2012-07-01	11.57744135720400
2012-10-01	13.85963074216550
2013-01-01	11.90195822167910
2013-04-01	11.40877995661920
2013-07-01	11.50121875787750
2013-10-01	12.41779063523780
2014-01-01	12.12388394811910
2014-04-01	12.35240891879700
2014-07-01	10.80899569061890
2014-10-01	10.65301770743840
2015-01-01	9.72549023865516
2015-04-01	9.92720893040284
2015-07-01	10.81626439735290
2015-10-01	9.76617890286328
2016-01-01	9.42865717663957
2016-04-01	9.93857363378143
2016-07-01	12.10307948730210
2016-10-01	12.19504906309310
2017-01-01	11.81702930490360
2017-04-01	10.93806707415990
2017-07-01	10.69820687096830
2017-10-01	9.24385260984170
2018-01-01	9.28986194970592
2018-04-01	6.88869353562354