Quarter	Percent, Seasonally Adjusted
1966-04-01	11
1966-07-01	33
1966-10-01	13
1967-01-01	11
1967-04-01	12
1967-07-01	10
1967-10-01	11
1968-01-01	31
1968-04-01	23
1968-07-01	24
1968-10-01	25
1969-01-01	25
1969-04-01	18
1969-07-01	19
1969-10-01	29
1970-01-01	28
1970-04-01	26
1970-07-01	33
1970-10-01	36
1971-01-01	49
1971-04-01	33
1971-07-01	42
1971-10-01	30
1972-01-01	37
1972-04-01	35
1972-07-01	32
1972-10-01	38
1973-01-01	43
1973-04-01	57
1973-07-01	53
1973-10-01	60
1974-01-01	69
1974-04-01	74
1974-07-01	70
1974-10-01	58
1975-01-01	61
1975-04-01	66
1975-07-01	67
1975-10-01	55
1976-01-01	80
1976-04-01	70
1976-07-01	58
1976-10-01	74
1977-01-01	86
1977-04-01	66
1977-07-01	55
1977-10-01	52
1978-01-01	49
1978-04-01	46
1978-07-01	46
1978-10-01	50
1979-01-01	52
1979-04-01	64
1979-07-01	54
1979-10-01	64
1980-01-01	63
1980-04-01	66
1980-07-01	50
1980-10-01	65
1981-01-01	60
1981-04-01	65
1981-07-01	55
1981-10-01	63
1982-01-01	63
1982-04-01	58
1982-07-01	34
1982-10-01	20
1983-01-01	18
1983-04-01	28
1983-07-01	39
1983-10-01	35
1984-01-01	37
1984-04-01	28
1984-07-01	25
1984-10-01	27
1985-01-01	46
1985-04-01	57
1985-07-01	45
1985-10-01	51
1986-01-01	46
1986-04-01	51
1986-07-01	46
1986-10-01	41
1987-01-01	42
1987-04-01	40
1987-07-01	37
1987-10-01	36
1988-01-01	45
1988-04-01	38
1988-07-01	36
1988-10-01	31
1989-01-01	31
1989-04-01	36
1989-07-01	40
1989-10-01	29
1990-01-01	28
1990-04-01	-4
1990-07-01	13
1990-10-01	19
1991-01-01	8
1991-04-01	-4
1991-07-01	-10
1991-10-01	4
1992-01-01	-2
1992-04-01	-18
1992-07-01	-2
1992-10-01	4
1993-01-01	9
1993-04-01	3
1993-07-01	5
1993-10-01	10
1994-01-01	14
1994-04-01	16
1994-07-01	16
1994-10-01	23
1995-01-01	32
1995-04-01	20
1995-07-01	14
1995-10-01	15
1996-01-01	8
1996-04-01	5
1996-07-01	5
1996-10-01	0
1997-01-01	14
1997-04-01	4
1997-07-01	1
1997-10-01	0
1998-01-01	-11
1998-04-01	8
1998-07-01	1
1998-10-01	-10
1999-01-01	-3
1999-04-01	-5
1999-07-01	5
1999-10-01	12
2000-01-01	22
2000-04-01	30
2000-07-01	28
2000-10-01	19
2001-01-01	-1
2001-04-01	22
2001-07-01	22
2001-10-01	3
2002-01-01	21
2002-04-01	12
2002-07-01	11
2002-10-01	8
2003-01-01	19
2003-04-01	28
2003-07-01	18
2003-10-01	12
2004-01-01	1
2004-04-01	15
2004-07-01	17
2004-10-01	25
2005-01-01	1
2005-04-01	1
2005-07-01	-6
2005-10-01	8
2006-01-01	12
2006-04-01	0
2006-07-01	25
2006-10-01	-1
2007-01-01	6
2007-04-01	12
2007-07-01	21
2007-10-01	19
2008-01-01	13
2008-04-01	30
2008-07-01	17
2008-10-01	-7
2009-01-01	-13
2009-04-01	-8
2009-07-01	13
2009-10-01	0
2010-01-01	8
2010-04-01	12
2010-07-01	10
2010-10-01	3
2011-01-01	15
2011-04-01	5
2011-07-01	-9
2011-10-01	-9
2012-01-01	1
2012-04-01	1
2012-07-01	0
2012-10-01	-4
2013-01-01	1
2013-04-01	7
2013-07-01	13
2013-10-01	7
2014-01-01	19
2014-04-01	4
2014-07-01	0
2014-10-01	4
2015-01-01	6
2015-04-01	2
2015-07-01	-1
2015-10-01	8
2016-01-01	15
2016-04-01	1
2016-07-01	12
2016-10-01	8
2017-01-01	21
2017-04-01	13
2017-07-01	9
2017-10-01	11
2018-01-01	12
2018-04-01	7