Quarter	Percent, Seasonally adjusted
1986-09-30	25
1986-12-31	19.7
1987-03-31	15.9
1987-06-30	17.4
1987-09-30	12.5
1987-12-31	13.6
1988-03-31	18.2
1988-06-30	14
1988-09-30	11.7
1988-12-31	9
1989-03-31	5.1
1989-06-30	8.2
1989-09-30	11.8
1989-12-31	8.4
1990-03-31	17.5
1990-06-30	18.8
1990-09-30	16.9
1990-12-31	30.4
1991-03-31	14.6
1991-06-30	5.5
1991-09-30	14.4
1991-12-31	11.9
1992-03-31	7.6
1992-06-30	4
1992-09-30	0.8
1992-12-31	-1.2
1993-03-31	2.2
1993-06-30	5.4
1993-09-30	5.6
1993-12-31	8
1994-03-31	8.7
1994-06-30	12.8
1994-09-30	16.1
1994-12-31	15.7
1995-03-31	17.5
1995-06-30	18.4
1995-09-30	12.8
1995-12-31	13.7
1996-03-31	19.4
1996-06-30	21.1
1996-09-30	22.4
1996-12-31	23
1997-03-31	21.9
1997-06-30	19.8
1997-09-30	20.3
1997-12-31	23.7
1998-03-31	25.7
1998-06-30	24.5
1998-09-30	25.1
1998-12-31	24.5
1999-03-31	23.8
1999-06-30	21.9
1999-09-30	20.2
1999-12-31	22.8
2000-03-31	24
2000-06-30	23
2000-09-30	20.4
2000-12-31	19.3
2001-03-31	18.2
2001-06-30	17.1
2001-09-30	16.5
2001-12-31	17.9
2002-03-31	20.5
2002-06-30	18.8
2002-09-30	19.6
2002-12-31	20.3
2003-03-31	20.4
2003-06-30	23.4
2003-09-30	23.6
2003-12-31	20.1
2004-03-31	20.2
2004-06-30	21.6
2004-09-30	22.2
2004-12-31	21.2
2005-03-31	18.4
2005-06-30	14.8
2005-09-30	10.6
2005-12-31	8.6
2006-03-31	7.6
2006-06-30	6.4
2006-09-30	3.4
2006-12-31	2.7
2007-03-31	3.8
2007-06-30	2.7
2007-09-30	4.4
2007-12-31	7.4
2008-03-31	7.4
2008-06-30	8.8
2008-09-30	9.8
2008-12-31	7.2
2009-03-31	5.4
2009-06-30	4.8
2009-09-30	3.1
2009-12-31	3.8
2010-03-31	5.1
2010-06-30	3.3
2010-09-30	2.4
2010-12-31	2.8
2011-03-31	2.8
2011-06-30	3.8
2011-09-30	3.5
2011-12-31	1.2
2012-03-31	0.7
2012-06-30	1.8
2012-09-30	2.1
2012-12-31	2.8
2013-03-31	4.7
2013-06-30	7.6
2013-09-30	6.5
2013-12-31	4
2014-03-31	4.2
2014-06-30	4
2014-09-30	3.9
2014-12-31	5.3
2015-03-31	5.9
2015-06-30	5.4
2015-09-30	5.8
2015-12-31	6.4
2016-03-31	7
2016-06-30	6.7
2016-09-30	6.6
2016-12-31	7.3
2017-03-31	7.4
2017-06-30	6.9
2017-09-30	7.1
2017-12-31	7.7
2018-03-31	7.4
2018-06-30	6.4
2018-09-30	5
2018-12-31	3.9
2019-03-31	4.8
2019-06-30	4.7
2019-09-30	2.1
2019-12-31	1.9
2020-03-31	-5.4
2020-06-30	-27.2
2020-09-30	-22
2020-12-31	-6.8
2021-03-31	-16.5
2021-06-30	-8.1
2021-09-30	7.5
2021-12-31	8.9
2022-03-31	9.5
2022-06-30	11.9
2022-09-30	10.2
2022-12-31	7.4
2023-03-31	9.6
2023-06-30	11.3
2023-09-30	12.1
2023-12-31	13.8