Quarter	Net Percent, Seasonally Adjusted
1987-01-01	-12
1987-04-01	-16
1987-07-01	-17
1987-10-01	-14
1988-01-01	-33
1988-04-01	-35
1988-07-01	-35
1988-10-01	-28
1989-01-01	-24
1989-04-01	-35
1989-07-01	-27
1989-10-01	-11
1990-01-01	-13
1990-04-01	-23
1990-07-01	-26
1990-10-01	-20
1991-01-01	4
1991-04-01	14
1991-07-01	13
1991-10-01	11
1992-01-01	13
1992-04-01	16
1992-07-01	20
1992-10-01	15
1993-01-01	20
1993-04-01	21
1993-07-01	21
1993-10-01	11
1994-01-01	-20
1994-04-01	-16
1994-07-01	21
1994-10-01	26
1995-01-01	35
1995-04-01	34
1995-07-01	18
1995-10-01	16
1996-01-01	17
1996-04-01	21
1996-07-01	26
1996-10-01	27
1997-01-01	26
1997-04-01	28
1997-07-01	24
1997-10-01	19
1998-01-01	22
1998-04-01	10
1998-07-01	0
1998-10-01	-3
1999-01-01	9
1999-04-01	16
1999-07-01	18
1999-10-01	25
2000-01-01	28
2000-04-01	28
2000-07-01	8
2000-10-01	-8
2001-01-01	-20
2001-04-01	-11
2001-07-01	-4
2001-10-01	9
2002-01-01	11
2002-04-01	14
2002-07-01	23
2002-10-01	19
2003-01-01	17
2003-04-01	23
2003-07-01	17
2003-10-01	12
2004-01-01	17
2004-04-01	13
2004-07-01	7
2004-10-01	16
2005-01-01	15
2005-04-01	3
2005-07-01	2
2005-10-01	11
2006-01-01	15
2006-04-01	2
2006-07-01	0
2006-10-01	10
2007-01-01	16
2007-04-01	24
2007-07-01	19
2007-10-01	12
2008-01-01	7
2008-04-01	9
2008-07-01	-1
2008-10-01	-38
2009-01-01	-59
2009-04-01	-9
2009-07-01	13
2009-10-01	-1
2010-01-01	4
2010-04-01	24
2010-07-01	13
2010-10-01	20
2011-01-01	22
2011-04-01	16
2011-07-01	17
2011-10-01	7
2012-01-01	3
2012-04-01	9
2012-07-01	0
2012-10-01	4
2013-01-01	6
2013-04-01	8
2013-07-01	11
2013-10-01	15
2014-01-01	12
2014-04-01	10
2014-07-01	6
2014-10-01	12
2015-01-01	-1
2015-04-01	2