Quarter	Percent, Seasonally adjusted
1978-03-31	14.7
1978-06-30	14.9
1978-09-30	16
1978-12-31	15
1979-03-31	14.2
1979-06-30	14.1
1979-09-30	14.1
1979-12-31	14.1
1980-03-31	12.4
1980-06-30	12.3
1980-09-30	10.8
1980-12-31	12
1981-03-31	13.2
1981-06-30	13.2
1981-09-30	12.8
1981-12-31	10.9
1982-03-31	9.3
1982-06-30	8.9
1982-09-30	10
1982-12-31	10.6
1983-03-31	13.7
1983-06-30	12.3
1983-09-30	10.9
1983-12-31	10.4
1984-03-31	7.7
1984-06-30	9.4
1984-09-30	9.3
1984-12-31	10
1985-03-31	10.4
1985-06-30	9.1
1985-09-30	9.8
1985-12-31	9.8
1986-03-31	11
1986-06-30	13.5
1986-09-30	17.7
1986-12-31	16.7
1987-03-31	15.4
1987-06-30	15.7
1987-09-30	11.8
1987-12-31	13
1988-03-31	17
1988-06-30	15.8
1988-09-30	18.1
1988-12-31	16.4
1989-03-31	11.8
1989-06-30	9.9
1989-09-30	9.2
1989-12-31	10.4
1990-03-31	10.3
1990-06-30	10.6
1990-09-30	7.5
1990-12-31	5.6
1991-03-31	4.6
1991-06-30	3.9
1991-09-30	3.8
1991-12-31	3.4
1992-03-31	3.6
1992-06-30	2.9
1992-09-30	2.5
1992-12-31	3.2
1993-03-31	2
1993-06-30	2.6
1993-09-30	2.8
1993-12-31	2.7
1994-03-31	4.1
1994-06-30	2.7
1994-09-30	2.9
1994-12-31	2.1
1995-03-31	2.6
1995-06-30	4.2
1995-09-30	5.4
1995-12-31	6.3
1996-03-31	8.3
1996-06-30	8.6
1996-09-30	7.3
1996-12-31	7.3
1997-03-31	6.6
1997-06-30	7
1997-09-30	8.1
1997-12-31	9.1
1998-03-31	7.7
1998-06-30	8.2
1998-09-30	7.7
1998-12-31	6.7
1999-03-31	6.7
1999-06-30	7.3
1999-09-30	6.8
1999-12-31	7.8
2000-03-31	6.1
2000-06-30	4.5
2000-09-30	5.8
2000-12-31	5
2001-03-31	7.6
2001-06-30	8.8
2001-09-30	8.6
2001-12-31	9.3
2002-03-31	9.2
2002-06-30	8.7
2002-09-30	9
2002-12-31	8.1
2003-03-31	8.4
2003-06-30	8.1
2003-09-30	8.2
2003-12-31	9.6
2004-03-31	9
2004-06-30	9.8
2004-09-30	9.2
2004-12-31	8.2
2005-03-31	8.2
2005-06-30	7.7
2005-09-30	7.5
2005-12-31	7.7
2006-03-31	7.6
2006-06-30	7.3
2006-09-30	7.7
2006-12-31	7.2
2007-03-31	7
2007-06-30	7.6
2007-09-30	6.6
2007-12-31	7.9
2008-03-31	7.4
2008-06-30	5.5
2008-09-30	3.8
2008-12-31	-0.6
2009-03-31	0.8
2009-06-30	1.2
2009-09-30	3.2
2009-12-31	6.3
2010-03-31	4.8
2010-06-30	4.5
2010-09-30	3.3
2010-12-31	2.4
2011-03-31	2.2
2011-06-30	1
2011-09-30	1.8
2011-12-31	2.2
2012-03-31	2.6
2012-06-30	4
2012-09-30	4.6
2012-12-31	6.1
2013-03-31	6.8
2013-06-30	8.8
2013-09-30	9.4
2013-12-31	9.6
2014-03-31	10
2014-06-30	9.6
2014-09-30	8.2
2014-12-31	7.4
2015-03-31	6.3
2015-06-30	5.8
2015-09-30	6.1
2015-12-31	7.1
2016-03-31	8.4
2016-06-30	9.6
2016-09-30	10.7
2016-12-31	9.9
2017-03-31	9.3
2017-06-30	7.5
2017-09-30	6.5
2017-12-31	5.4
2018-03-31	4.1
2018-06-30	4.4
2018-09-30	4.2
2018-12-31	4.4
2019-03-31	4.2
2019-06-30	3.3
2019-09-30	3.7
2019-12-31	3.7
2020-03-31	7.1
2020-06-30	14.1
2020-09-30	15
2020-12-31	18.8
2021-03-31	19
2021-06-30	14.1
2021-09-30	13.2
2021-12-31	9.6
2022-03-31	7.2
2022-06-30	4.6
2022-09-30	3.9
2022-12-31	0.3
2023-03-31	-3.6
2023-06-30	-6.5
2023-09-30	-9.8
2023-12-31	-8.3