Quarter	Net Percent, Seasonally Adjusted
1993-04-01	-15
1993-07-01	-21
1993-10-01	-25
1994-01-01	-38
1994-04-01	-42
1994-07-01	-39
1994-10-01	-29
1995-01-01	-27
1995-04-01	-27
1995-07-01	-24
1995-10-01	-23
1996-01-01	-24
1996-04-01	-29
1996-07-01	-34
1996-10-01	-44
1997-01-01	-24
1997-04-01	-28
1997-07-01	-31
1997-10-01	-34
1998-01-01	-3
1998-04-01	-16
1998-07-01	-22
1998-10-01	-24
1999-01-01	-25
1999-04-01	-10
1999-07-01	-7
1999-10-01	-6
2000-01-01	-12
2000-04-01	-5
2000-07-01	-8
2000-10-01	-7
2001-01-01	0
2001-04-01	-1
2001-07-01	-1
2001-10-01	2
2002-01-01	-10
2002-04-01	-9
2002-07-01	-2
2002-10-01	-7
2003-01-01	-2
2003-04-01	4
2003-07-01	0
2003-10-01	0
2004-01-01	5
2004-04-01	3
2004-07-01	-1
2004-10-01	5
2005-01-01	4
2005-04-01	10
2005-07-01	7
2005-10-01	5
2006-01-01	8
2006-04-01	9
2006-07-01	6
2006-10-01	11
2007-01-01	12
2007-04-01	14
2007-07-01	13
2007-10-01	13
2008-01-01	19
2008-04-01	14
2008-07-01	17
2008-10-01	11
2009-01-01	-5
2009-04-01	-7
2009-07-01	-6
2009-10-01	1
2010-01-01	3
2010-04-01	2
2010-07-01	7
2010-10-01	8
2011-01-01	9
2011-04-01	6
2011-07-01	7
2011-10-01	11
2012-01-01	10
2012-04-01	4
2012-07-01	9
2012-10-01	14
2013-01-01	9
2013-04-01	8
2013-07-01	13
2013-10-01	15
2014-01-01	13
2014-04-01	7
2014-07-01	13
2014-10-01	13
2015-01-01	2
2015-04-01	1
2015-07-01	3
2015-10-01	5
2016-01-01	1
2016-04-01	-1
2016-07-01	4
2016-10-01	6
2017-01-01	4
2017-04-01	0
2017-07-01	5
2017-10-01	7
2018-01-01	2
2018-04-01	-1
2018-07-01	0