Quarter	Net Percent, Seasonally Adjusted
1974-04-01	-35
1974-07-01	-31
1974-10-01	-20
1975-01-01	-1
1975-04-01	-4
1975-07-01	-6
1975-10-01	-3
1976-01-01	5
1976-04-01	-1
1976-07-01	-3
1976-10-01	-8
1977-01-01	-11
1977-04-01	-12
1977-07-01	2
1977-10-01	-3
1978-01-01	1
1978-04-01	-3
1978-07-01	3
1978-10-01	-3
1979-01-01	-6
1979-04-01	-1
1979-07-01	-6
1979-10-01	-13
1980-01-01	-9
1980-04-01	-12
1980-07-01	-11
1980-10-01	-11
1981-01-01	-13
1981-04-01	-17
1981-07-01	-8
1981-10-01	-11
1982-01-01	-9
1982-04-01	-6
1982-07-01	-6
1982-10-01	-10
1983-01-01	-1
1983-04-01	-16
1983-07-01	-15
1983-10-01	-17
1984-01-01	-16
1984-04-01	-15
1984-07-01	-17
1984-10-01	-20
1985-01-01	-18
1985-04-01	-18
1985-07-01	-20
1985-10-01	-17
1986-01-01	-19
1986-04-01	-18
1986-07-01	-15
1986-10-01	-15
1987-01-01	-12
1987-04-01	-17
1987-07-01	-17
1987-10-01	-21
1988-01-01	-25
1988-04-01	-29
1988-07-01	-35
1988-10-01	-37
1989-01-01	-38
1989-04-01	-42
1989-07-01	-48
1989-10-01	-55
1990-01-01	-55
1990-04-01	-60
1990-07-01	-63
1990-10-01	-63
1991-01-01	-60
1991-04-01	-60
1991-07-01	-58
1991-10-01	-57
1992-01-01	-49
1992-04-01	-42
1992-07-01	-34
1992-10-01	-24
1993-01-01	-14
1993-04-01	-6
1993-07-01	-4
1993-10-01	-1
1994-01-01	3
1994-04-01	0
1994-07-01	-2
1994-10-01	-3
1995-01-01	-2
1995-04-01	-1
1995-07-01	-1
1995-10-01	-4
1996-01-01	-6
1996-04-01	-9
1996-07-01	-12
1996-10-01	-13
1997-01-01	-15
1997-04-01	-14
1997-07-01	-13
1997-10-01	-8
1998-01-01	-5
1998-04-01	-2
1998-07-01	3
1998-10-01	6
1999-01-01	5
1999-04-01	4
1999-07-01	2
1999-10-01	0
2000-01-01	0
2000-04-01	-1
2000-07-01	-2
2000-10-01	-6
2001-01-01	-3
2001-04-01	-6
2001-07-01	-1
2001-10-01	2
2002-01-01	1
2002-04-01	1
2002-07-01	0
2002-10-01	2
2003-01-01	2
2003-04-01	1
2003-07-01	1
2003-10-01	-4
2004-01-01	-7
2004-04-01	-8
2004-07-01	-6
2004-10-01	-8
2005-01-01	-12
2005-04-01	-12
2005-07-01	-13
2005-10-01	-14
2006-01-01	-16
2006-04-01	-18
2006-07-01	-21
2006-10-01	-21
2007-01-01	-24
2007-04-01	-24
2007-07-01	-25
2007-10-01	-26
2008-01-01	-26
2008-04-01	-18
2008-07-01	-17
2008-10-01	-10
2009-01-01	3
2009-04-01	3
2009-07-01	3
2009-10-01	4
2010-01-01	5
2010-04-01	2
2010-07-01	1
2010-10-01	-1
2011-01-01	-1
2011-04-01	-1
2011-07-01	-5
2011-10-01	-6
2012-01-01	-11
2012-04-01	-13
2012-07-01	-12
2012-10-01	-13
2013-01-01	-14
2013-04-01	-15
2013-07-01	-19
2013-10-01	-20
2014-01-01	-20
2014-04-01	-24
2014-07-01	-27
2014-10-01	-28
2015-01-01	-33
2015-04-01	-32
2015-07-01	-34
2015-10-01	-37
2016-01-01	-36
2016-04-01	-37
2016-07-01	-38
2016-10-01	-42
2017-01-01	-42
2017-04-01	-43
2017-07-01	-43
2017-10-01	-46
2018-01-01	-48
2018-04-01	-47
2018-07-01	-46