Quarter	Percent, Seasonally Adjusted
1998-07-01	-10
1998-10-01	-3
1999-01-01	3
1999-04-01	7
1999-07-01	29
1999-10-01	23
2000-01-01	33
2000-04-01	48
2000-07-01	43
2000-10-01	28
2001-01-01	23
2001-04-01	-3
2001-07-01	-10
2001-10-01	-14
2002-01-01	-14
2002-04-01	14
2002-07-01	10
2002-10-01	8
2003-01-01	8
2003-04-01	-1
2003-07-01	10
2003-10-01	0
2004-01-01	2
2004-04-01	9
2004-07-01	17
2004-10-01	19
2005-01-01	29
2005-04-01	20
2005-07-01	24
2005-10-01	32
2006-01-01	27
2006-04-01	18
2006-07-01	9
2006-10-01	15
2007-01-01	18
2007-04-01	12
2007-07-01	18
2007-10-01	22
2008-01-01	9
2008-04-01	7
2008-07-01	-2
2008-10-01	-25
2009-01-01	-18
2009-04-01	-52
2009-07-01	-43
2009-10-01	-51
2010-01-01	-43
2010-04-01	18
2010-07-01	22
2010-10-01	30
2011-01-01	29
2011-04-01	24
2011-07-01	30
2011-10-01	29
2012-01-01	22
2012-04-01	27
2012-07-01	6
2012-10-01	-2
2013-01-01	-17
2013-04-01	9
2013-07-01	-11
2013-10-01	-3
2014-01-01	14
2014-04-01	5
2014-07-01	14
2014-10-01	21
2015-01-01	25
2015-04-01	12
2015-07-01	0
2015-10-01	0
2016-01-01	-4
2016-04-01	0
2016-07-01	1
2016-10-01	0
2017-01-01	2
2017-04-01	20
2017-07-01	13
2017-10-01	20
2018-01-01	20
2018-04-01	29
2018-07-01	12