Quarter	Percent, Seasonally Adjusted
1997-01-01	-12
1997-04-01	-10
1997-07-01	-7
1997-10-01	-6
1998-01-01	-5
1998-04-01	-6
1998-07-01	-17
1998-10-01	-8
1999-01-01	-6
1999-04-01	-8
1999-07-01	-6
1999-10-01	-4
2000-01-01	-5
2000-04-01	-5
2000-07-01	-3
2000-10-01	-3
2001-01-01	-1
2001-04-01	-3
2001-07-01	0
2001-10-01	-1
2002-01-01	-2
2002-04-01	-1
2002-07-01	-1
2002-10-01	-2
2003-01-01	-2
2003-04-01	-1
2003-07-01	-1
2003-10-01	-1
2004-01-01	0
2004-04-01	0
2004-07-01	2
2004-10-01	1
2005-01-01	0
2005-04-01	0
2005-07-01	0
2005-10-01	0
2006-01-01	2
2006-04-01	3
2006-07-01	3
2006-10-01	4
2007-01-01	6
2007-04-01	7
2007-07-01	5
2007-10-01	3
2008-01-01	4
2008-04-01	6
2008-07-01	3
2008-10-01	0
2009-01-01	-6
2009-04-01	-5
2009-07-01	-5
2009-10-01	-2
2010-01-01	-1
2010-04-01	0
2010-07-01	0
2010-10-01	-1
2011-01-01	-1
2011-04-01	-2
2011-07-01	-2
2011-10-01	-2
2012-01-01	3
2012-04-01	1
2012-07-01	2
2012-10-01	4
2013-01-01	4
2013-04-01	4
2013-07-01	3
2013-10-01	0
2014-01-01	3
2014-04-01	3
2014-07-01	2
2014-10-01	1
2015-01-01	0
2015-04-01	0
2015-07-01	0
2015-10-01	-2
2016-01-01	-1
2016-04-01	0
2016-07-01	-3
2016-10-01	-4
2017-01-01	1
2017-04-01	1
2017-07-01	0
2017-10-01	-2
2018-01-01	0
2018-04-01	0
2018-07-01	0