Quarter	Percent, Seasonally adjusted
1963-09-30	11
1963-12-31	13
1964-03-31	20.5
1964-06-30	18.5
1964-09-30	11.4
1964-12-31	15.9
1965-03-31	17.5
1965-06-30	16.1
1965-09-30	9.1
1965-12-31	4.3
1966-03-31	15.4
1966-06-30	14.9
1966-09-30	5.1
1966-12-31	2.4
1967-03-31	9.2
1967-06-30	11.2
1967-09-30	7.2
1967-12-31	10.7
1968-03-31	16.4
1968-06-30	17.2
1968-09-30	6.7
1968-12-31	6.8
1969-03-31	18.8
1969-06-30	14.5
1969-09-30	7.8
1969-12-31	6.7
1970-03-31	12.5
1970-06-30	19.9
1970-09-30	11.6
1970-12-31	6
1971-03-31	12
1971-06-30	14
1971-09-30	11.2
1971-12-31	15
1972-03-31	27.5
1972-06-30	34.6
1972-09-30	25.8
1972-12-31	22.9
1973-03-31	28.5
1973-06-30	24.5
1973-09-30	20.9
1973-12-31	28.9
1974-03-31	27.3
1974-06-30	17.8
1974-09-30	15.7
1974-12-31	13.4
1975-03-31	12.7
1975-06-30	11.2
1975-09-30	3.6
1975-12-31	4.8
1976-03-31	9.2
1976-06-30	14.5
1976-09-30	18.3
1976-12-31	17.4
1977-03-31	13.7
1977-06-30	13.1
1977-09-30	16.3
1977-12-31	15.9
1978-03-31	15.4
1978-06-30	17.5
1978-09-30	16.8
1978-12-31	14.3
1979-03-31	19.2
1979-06-30	22.1
1979-09-30	18.8
1979-12-31	15.2
1980-03-31	18.7
1980-06-30	21
1980-09-30	19.1
1980-12-31	16.6
1981-03-31	15.4
1981-06-30	13.5
1981-09-30	14.9
1981-12-31	22
1982-03-31	26.1
1982-06-30	23.3
1982-09-30	22.2
1982-12-31	20.1
1983-03-31	15.4
1983-06-30	15.5
1983-09-30	15.6
1983-12-31	15.3
1984-03-31	17.4
1984-06-30	18.4
1984-09-30	17.5
1984-12-31	17.4
1985-03-31	18.4
1985-06-30	17.5
1985-09-30	15.3
1985-12-31	15.5
1986-03-31	17.1
1986-06-30	17.5
1986-09-30	16
1986-12-31	18.6
1987-03-31	17.7
1987-06-30	15.3
1987-09-30	18.2
1987-12-31	20.2
1988-03-31	22.8
1988-06-30	25.8
1988-09-30	26.3
1988-12-31	23.1
1989-03-31	21
1989-06-30	20.8
1989-09-30	22
1989-12-31	20.3
1990-03-31	17.4
1990-06-30	15.4
1990-09-30	12.1
1990-12-31	10.8
1991-03-31	9.5
1991-06-30	6.4
1991-09-30	5.5
1991-12-31	5.9
1992-03-31	4.8
1992-06-30	4.6
1992-09-30	4.6
1992-12-31	3.8
1993-03-31	2.2
1993-06-30	2
1993-09-30	3.5
1993-12-31	3.5
1994-03-31	2.8
1994-06-30	3
1994-09-30	4.5
1994-12-31	6
1995-03-31	7.4
1995-06-30	7.2
1995-09-30	6.5
1995-12-31	7.9
1996-03-31	8.4
1996-06-30	8.3
1996-09-30	8.3
1996-12-31	8.2
1997-03-31	6.5
1997-06-30	6.4
1997-09-30	6.4
1997-12-31	5.5
1998-03-31	7.2
1998-06-30	7.1
1998-09-30	6.4
1998-12-31	7.1
1999-03-31	7.7
1999-06-30	7
1999-09-30	6.9
1999-12-31	9.5
2000-03-31	12.1
2000-06-30	12
2000-09-30	11
2000-12-31	8.6
2001-03-31	8.9
2001-06-30	10.5
2001-09-30	9.5
2001-12-31	9.5
2002-03-31	9.7
2002-06-30	9.7
2002-09-30	11
2002-12-31	14.3
2003-03-31	13.9
2003-06-30	11.8
2003-09-30	11.5
2003-12-31	12.4
2004-03-31	13.1
2004-06-30	11.5
2004-09-30	11.8
2004-12-31	11.2
2005-03-31	11.2
2005-06-30	12.8
2005-09-30	11.8
2005-12-31	10.9
2006-03-31	11.3
2006-06-30	12
2006-09-30	13.1
2006-12-31	12.9
2007-03-31	11.5
2007-06-30	11
2007-09-30	11.4
2007-12-31	10.6
2008-03-31	8.8
2008-06-30	7.9
2008-09-30	5.4
2008-12-31	2.1
2009-03-31	1.6
2009-06-30	1
2009-09-30	-0.6
2009-12-31	0
2010-03-31	0.4
2010-06-30	-0.4
2010-09-30	-0.5
2010-12-31	-0.2
2011-03-31	0.3
2011-06-30	0.6
2011-09-30	-0.1
2011-12-31	-1
2012-03-31	-0.2
2012-06-30	0.1
2012-09-30	-0.7
2012-12-31	-0.6
2013-03-31	0.3
2013-06-30	0
2013-09-30	0.3
2013-12-31	1.8
2014-03-31	1.7
2014-06-30	1.6
2014-09-30	2
2014-12-31	1.4
2015-03-31	1.7
2015-06-30	2
2015-09-30	2.8
2015-12-31	3.6
2016-03-31	4.6
2016-06-30	4.4
2016-09-30	3.3
2016-12-31	3.1
2017-03-31	3.8
2017-06-30	4.3
2017-09-30	3.5
2017-12-31	3.1
2018-03-31	3.1
2018-06-30	3.4
2018-09-30	3.4
2018-12-31	3.8
2019-03-31	3.6
2019-06-30	3.2
2019-09-30	3.9
2019-12-31	3.1
2020-03-31	4.8
2020-06-30	5
2020-09-30	1.9
2020-12-31	2.4
2021-03-31	3.8
2021-06-30	4.5
2021-09-30	2.9
2021-12-31	1.5
2022-03-31	3.1
2022-06-30	3.8
2022-09-30	3.4
2022-12-31	2.7
2023-03-31	0.9
2023-06-30	-0.2
2023-09-30	0.2
2023-12-31	0.6