Quarter	Percent, Seasonally Adjusted
1998-04-01	-41
1998-07-01	-31
1998-10-01	-20
1999-01-01	-22
1999-04-01	-14
1999-07-01	-13
1999-10-01	-1
2000-01-01	-13
2000-04-01	-22
2000-07-01	-9
2000-10-01	-28
2001-01-01	-44
2001-04-01	-38
2001-07-01	-15
2001-10-01	3
2002-01-01	-2
2002-04-01	4
2002-07-01	-5
2002-10-01	5
2003-01-01	0
2003-04-01	-2
2003-07-01	3
2003-10-01	13
2004-01-01	0
2004-04-01	-3
2004-07-01	0
2004-10-01	8
2005-01-01	4
2005-04-01	-6
2005-07-01	-5
2005-10-01	-5
2006-01-01	-15
2006-04-01	-12
2006-07-01	-1
2006-10-01	5
2007-01-01	5
2007-04-01	1
2007-07-01	-4
2007-10-01	4
2008-01-01	-2
2008-04-01	1
2008-07-01	-3
2008-10-01	-18
2009-01-01	-36
2009-04-01	-29
2009-07-01	-27
2009-10-01	-26
2010-01-01	-12
2010-04-01	-8
2010-07-01	-23
2010-10-01	-16
2011-01-01	-23
2011-04-01	-24
2011-07-01	-18
2011-10-01	-31
2012-01-01	-21
2012-04-01	-22
2012-07-01	-27
2012-10-01	-16
2013-01-01	-24
2013-04-01	-21
2013-07-01	-25
2013-10-01	-13
2014-01-01	-16
2014-04-01	-25
2014-07-01	-11
2014-10-01	-8
2015-01-01	-13
2015-04-01	-3
2015-07-01	-5
2015-10-01	-4
2016-01-01	-7
2016-04-01	0
2016-07-01	-7
2016-10-01	-5
2017-01-01	-2
2017-04-01	-9
2017-07-01	-4
2017-10-01	0
2018-01-01	-5
2018-04-01	-2