Quarter	Net Percent, Seasonally Adjusted
1966-04-01	-10
1966-07-01	-9
1966-10-01	7
1967-01-01	8
1967-04-01	3
1967-07-01	7
1967-10-01	11
1968-01-01	2
1968-04-01	6
1968-07-01	9
1968-10-01	14
1969-01-01	13
1969-04-01	8
1969-07-01	13
1969-10-01	24
1970-01-01	23
1970-04-01	11
1970-07-01	0
1970-10-01	15
1971-01-01	6
1971-04-01	-8
1971-07-01	-10
1971-10-01	-7
1972-01-01	-21
1972-04-01	-16
1972-07-01	-4
1972-10-01	16
1973-01-01	18
1973-04-01	36
1973-07-01	42
1973-10-01	44
1974-01-01	37
1974-04-01	14
1974-07-01	-28
1974-10-01	-40
1975-01-01	-37
1975-04-01	-21
1975-07-01	-17
1975-10-01	-11
1976-01-01	-5
1976-04-01	-8
1976-07-01	-1
1976-10-01	-4
1977-01-01	1
1977-04-01	-11
1977-07-01	-13
1977-10-01	-3
1978-01-01	0
1978-04-01	0
1978-07-01	4
1978-10-01	13
1979-01-01	9
1979-04-01	13
1979-07-01	5
1979-10-01	10
1980-01-01	11
1980-04-01	-1
1980-07-01	6
1980-10-01	8
1981-01-01	16
1981-04-01	7
1981-07-01	5
1981-10-01	5
1982-01-01	-8
1982-04-01	-27
1982-07-01	-39
1982-10-01	-38
1983-01-01	-38
1983-04-01	-15
1983-07-01	-5
1983-10-01	11
1984-01-01	7
1984-04-01	7
1984-07-01	9
1984-10-01	8
1985-01-01	4
1985-04-01	12
1985-07-01	10
1985-10-01	10
1986-01-01	2
1986-04-01	-19
1986-07-01	-20
1986-10-01	-2
1987-01-01	-11
1987-04-01	-1
1987-07-01	3
1987-10-01	10
1988-01-01	7
1988-04-01	13
1988-07-01	20
1988-10-01	23
1989-01-01	13
1989-04-01	8
1989-07-01	1
1989-10-01	-8
1990-01-01	-19
1990-04-01	-32
1990-07-01	-39
1990-10-01	-33
1991-01-01	-34
1991-04-01	-32
1991-07-01	-28
1991-10-01	-19
1992-01-01	-16
1992-04-01	-20
1992-07-01	-9
1992-10-01	-7
1993-01-01	-1
1993-04-01	4
1993-07-01	-7
1993-10-01	7
1994-01-01	11
1994-04-01	8
1994-07-01	17
1994-10-01	15
1995-01-01	6
1995-04-01	-15
1995-07-01	-6
1995-10-01	-21
1996-01-01	-11
1996-04-01	-12
1996-07-01	-11
1996-10-01	-12
1997-01-01	2
1997-04-01	-6
1997-07-01	-9
1997-10-01	-9
1998-01-01	-6
1998-04-01	-11
1998-07-01	-4
1998-10-01	4
1999-01-01	-9
1999-04-01	6
1999-07-01	0
1999-10-01	17
2000-01-01	11
2000-04-01	11
2000-07-01	-1
2000-10-01	-12
2001-01-01	-21
2001-04-01	-12
2001-07-01	-4
2001-10-01	4
2002-01-01	8
2002-04-01	4
2002-07-01	-4
2002-10-01	19
2003-01-01	4
2003-04-01	2
2003-07-01	5
2003-10-01	9
2004-01-01	3
2004-04-01	11
2004-07-01	-1
2004-10-01	19
2005-01-01	-13
2005-04-01	3
2005-07-01	-14
2005-10-01	-2
2006-01-01	-6
2006-04-01	-10
2006-07-01	-5
2006-10-01	13
2007-01-01	-7
2007-04-01	-5
2007-07-01	9
2007-10-01	17
2008-01-01	4
2008-04-01	-9
2008-07-01	1
2008-10-01	-16
2009-01-01	-32
2009-04-01	-32
2009-07-01	4
2009-10-01	-1
2010-01-01	-3
2010-04-01	-2
2010-07-01	-5
2010-10-01	1
2011-01-01	3
2011-04-01	-8
2011-07-01	-6
2011-10-01	9
2012-01-01	-3
2012-04-01	-2
2012-07-01	8
2012-10-01	6
2013-01-01	-16
2013-04-01	-3
2013-07-01	-8
2013-10-01	25
2014-01-01	-2
2014-04-01	-7
2014-07-01	3
2014-10-01	19
2015-01-01	2
2015-04-01	2
2015-07-01	-4
2015-10-01	20
2016-01-01	13
2016-04-01	-4
2016-07-01	2
2016-10-01	26
2017-01-01	24
2017-04-01	15
2017-07-01	20
2017-10-01	36
2018-01-01	17
2018-04-01	19