Quarter	Percent, Seasonally adjusted
1997-12-31	4.3
1998-03-31	6
1998-06-30	3.4
1998-09-30	5.1
1998-12-31	12.8
1999-03-31	2.7
1999-06-30	2.6
1999-09-30	2.3
1999-12-31	14.2
2000-03-31	13.4
2000-06-30	17.4
2000-09-30	14.7
2000-12-31	6.4
2001-03-31	17.3
2001-06-30	8.7
2001-09-30	11.5
2001-12-31	1.2
2002-03-31	3
2002-06-30	9.1
2002-09-30	10.5
2002-12-31	24.6
2003-03-31	6.2
2003-06-30	8.9
2003-09-30	-2
2003-12-31	9.4
2004-03-31	5.3
2004-06-30	6.9
2004-09-30	12.5
2004-12-31	10.7
2005-03-31	17.8
2005-06-30	22.4
2005-09-30	10.4
2005-12-31	10.6
2006-03-31	14.9
2006-06-30	16.7
2006-09-30	21.6
2006-12-31	11.7
2007-03-31	9.9
2007-06-30	18.5
2007-09-30	20.4
2007-12-31	16.7
2008-03-31	17.7
2008-06-30	10.4
2008-09-30	6.2
2008-12-31	3.1
2009-03-31	2.9
2009-06-30	-5.6
2009-09-30	-8
2009-12-31	-3.2
2010-03-31	-6
2010-06-30	-2.6
2010-09-30	-6.2
2010-12-31	-1.6
2011-03-31	-2
2011-06-30	-2.8
2011-09-30	0.6
2011-12-31	-1.8
2012-03-31	-5
2012-06-30	-1.4
2012-09-30	-4.3
2012-12-31	-3.7
2013-03-31	-2.5
2013-06-30	-4.3
2013-09-30	-0.3
2013-12-31	1.6
2014-03-31	-6.3
2014-06-30	-0.3
2014-09-30	-0.4
2014-12-31	-2.1
2015-03-31	2.1
2015-06-30	-2.7
2015-09-30	3.1
2015-12-31	1.4
2016-03-31	6.7
2016-06-30	4.3
2016-09-30	3
2016-12-31	0.7
2017-03-31	4.4
2017-06-30	3.6
2017-09-30	3.3
2017-12-31	0.9
2018-03-31	3.5
2018-06-30	3.7
2018-09-30	3.6
2018-12-31	10.2
2019-03-31	3.8
2019-06-30	5.8
2019-09-30	6.6
2019-12-31	-1.1
2020-03-31	29.6
2020-06-30	11.7
2020-09-30	-3.3
2020-12-31	-0.2
2021-03-31	1.5
2021-06-30	0.9
2021-09-30	-5
2021-12-31	-0.3
2022-03-31	3.3
2022-06-30	-0.1
2022-09-30	1.2
2022-12-31	2
2023-03-31	-2.2
2023-06-30	-0.4
2023-09-30	2.7
2023-12-31	0.3