Quarter	Percent, Seasonally adjusted
1978-03-31	14.4
1978-06-30	15
1978-09-30	15.7
1978-12-31	15.2
1979-03-31	14.8
1979-06-30	14.6
1979-09-30	14.9
1979-12-31	14.9
1980-03-31	13.6
1980-06-30	13.4
1980-09-30	11.7
1980-12-31	12.8
1981-03-31	13.1
1981-06-30	12.7
1981-09-30	12.3
1981-12-31	10.5
1982-03-31	9.6
1982-06-30	9.5
1982-09-30	10.5
1982-12-31	11.5
1983-03-31	15
1983-06-30	12.9
1983-09-30	12
1983-12-31	9.1
1984-03-31	6.2
1984-06-30	8.7
1984-09-30	8.1
1984-12-31	10.4
1985-03-31	10.8
1985-06-30	9.5
1985-09-30	10.2
1985-12-31	10.2
1986-03-31	11.7
1986-06-30	14
1986-09-30	13.2
1986-12-31	12.4
1987-03-31	10.5
1987-06-30	10.6
1987-09-30	11.8
1987-12-31	13.2
1988-03-31	14.3
1988-06-30	12.9
1988-09-30	15.8
1988-12-31	13.8
1989-03-31	12
1989-06-30	10.9
1989-09-30	10
1989-12-31	11.3
1990-03-31	11.3
1990-06-30	11.3
1990-09-30	8
1990-12-31	6.4
1991-03-31	5.5
1991-06-30	4.8
1991-09-30	4.6
1991-12-31	3.7
1992-03-31	3.8
1992-06-30	3.1
1992-09-30	2.3
1992-12-31	2.9
1993-03-31	1.6
1993-06-30	2.2
1993-09-30	2.7
1993-12-31	2.2
1994-03-31	3.4
1994-06-30	2
1994-09-30	2.1
1994-12-31	1.8
1995-03-31	2.5
1995-06-30	4.3
1995-09-30	5.6
1995-12-31	6.4
1996-03-31	8.2
1996-06-30	8.4
1996-09-30	7
1996-12-31	6.9
1997-03-31	6.6
1997-06-30	7
1997-09-30	8.4
1997-12-31	9.5
1998-03-31	7
1998-06-30	7.1
1998-09-30	6.7
1998-12-31	6.7
1999-03-31	6.8
1999-06-30	7.9
1999-09-30	7.1
1999-12-31	7.1
2000-03-31	6
2000-06-30	4.2
2000-09-30	5.3
2000-12-31	4.6
2001-03-31	7.2
2001-06-30	8.2
2001-09-30	8.3
2001-12-31	9.2
2002-03-31	9.1
2002-06-30	9.2
2002-09-30	9.2
2002-12-31	8.7
2003-03-31	9.2
2003-06-30	8.8
2003-09-30	8.8
2003-12-31	9.8
2004-03-31	8.9
2004-06-30	9.2
2004-09-30	9.1
2004-12-31	8
2005-03-31	8.2
2005-06-30	8.1
2005-09-30	7.8
2005-12-31	7.9
2006-03-31	7.5
2006-06-30	7
2006-09-30	7.5
2006-12-31	7
2007-03-31	7
2007-06-30	7.6
2007-09-30	6.7
2007-12-31	8.2
2008-03-31	7.8
2008-06-30	5.8
2008-09-30	4.2
2008-12-31	-0.4
2009-03-31	0.8
2009-06-30	1.1
2009-09-30	2.5
2009-12-31	5.6
2010-03-31	4.3
2010-06-30	4.2
2010-09-30	3.2
2010-12-31	2.4
2011-03-31	2
2011-06-30	0.5
2011-09-30	1.2
2011-12-31	1.7
2012-03-31	2.2
2012-06-30	3.8
2012-09-30	4.4
2012-12-31	5.9
2013-03-31	6.4
2013-06-30	8.4
2013-09-30	9.1
2013-12-31	9
2014-03-31	9.7
2014-06-30	9.3
2014-09-30	7.8
2014-12-31	7
2015-03-31	5.5
2015-06-30	5.1
2015-09-30	5.4
2015-12-31	6.7
2016-03-31	7.9
2016-06-30	9.4
2016-09-30	10.4
2016-12-31	9.5
2017-03-31	9
2017-06-30	6.9
2017-09-30	6
2017-12-31	4.9
2018-03-31	3.8
2018-06-30	4
2018-09-30	3.8
2018-12-31	4.2
2019-03-31	4
2019-06-30	3.6
2019-09-30	4
2019-12-31	4.1
2020-03-31	6.2
2020-06-30	11.3
2020-09-30	11.9
2020-12-31	15.6
2021-03-31	17.2
2021-06-30	14.1
2021-09-30	13.5
2021-12-31	9.7
2022-03-31	7.3
2022-06-30	4.7
2022-09-30	3.9
2022-12-31	1.7
2023-03-31	-2.2
2023-06-30	-4.8
2023-09-30	-7.9
2023-12-31	-7.3