Quarter	Percent, Seasonally Adjusted
2001-01-01	13.9
2001-04-01	12.5
2001-07-01	12.9
2001-10-01	7.8
2002-01-01	10.7
2002-04-01	14.5
2002-07-01	10.4
2002-10-01	10.8
2003-01-01	16.4
2003-04-01	13.5
2003-07-01	22.2
2003-10-01	22.3
2004-01-01	20.0
2004-04-01	20.6
2004-07-01	8.9
2004-10-01	19.8
2005-01-01	11.9
2005-04-01	9.4
2005-07-01	19.1
2005-10-01	20.2
2006-01-01	20.8
2006-04-01	20.7
2006-07-01	21.3
2006-10-01	19.8
2007-01-01	20.1
2007-04-01	18.5
2007-07-01	10.5
2007-10-01	-0.6
2008-01-01	-5.0
2008-04-01	-12.9
2008-07-01	-18.5
2008-10-01	-30.8
2009-01-01	-53.8
2009-04-01	-45.3
2009-07-01	-34.4
2009-10-01	-30.0
2010-01-01	-14.9
2010-04-01	6.2
2010-07-01	10.3
2010-10-01	17.6
2011-01-01	9.4
2011-04-01	10.4
2011-07-01	3.9
2011-10-01	-0.6
2012-01-01	4.7
2012-04-01	1.7
2012-07-01	3.2
2012-10-01	-0.7
2013-01-01	5.7
2013-04-01	-2.1
2013-07-01	-2.4
2013-10-01	0.3
2014-01-01	6.0
2014-04-01	2.1
2014-07-01	-1.2
2014-10-01	4.0
2015-01-01	-1.3
2015-04-01	-4.2
2015-07-01	-6.8
2015-10-01	-6.9
2016-01-01	-6.6
2016-04-01	-0.4
2016-07-01	1.1
2016-10-01	2.1
2017-01-01	7.1
2017-04-01	9.6
2017-07-01	10.4
2017-10-01	9.7
2018-01-01	16.3
2018-04-01	11.2
2018-07-01	12.0
2018-10-01	8.2