Quarter	Percent
1994-03-31	4.3
1994-06-30	6.2
1994-09-30	7.2
1994-12-31	8.7
1995-03-31	10.5
1995-06-30	10.3
1995-09-30	11.6
1995-12-31	12.7
1996-03-31	12.8
1996-06-30	13.7
1996-09-30	15.7
1996-12-31	15
1997-03-31	15.6
1997-06-30	17.5
1997-09-30	14
1997-12-31	14.5
1998-03-31	15.5
1998-06-30	14.2
1998-09-30	15.8
1998-12-31	15.7
1999-03-31	15.1
1999-06-30	14.8
1999-09-30	14.4
1999-12-31	14.6
2000-03-31	15.6
2000-06-30	15.2
2000-09-30	14.3
2000-12-31	15.1
2001-03-31	13.8
2001-06-30	15.1
2001-09-30	16.1
2001-12-31	16.4
2002-03-31	17
2002-06-30	16.1
2002-09-30	16.6
2002-12-31	16.6
2003-03-31	14.8
2003-06-30	14
2003-09-30	12.6
2003-12-31	11.7
2004-03-31	12.5
2004-06-30	12.7
2004-09-30	12.4
2004-12-31	12.5
2005-03-31	11.6
2005-06-30	11.2
2005-09-30	10.2
2005-12-31	9.2
2006-03-31	8.5
2006-06-30	7.6
2006-09-30	6.9
2006-12-31	6.2
2007-03-31	4.5
2007-06-30	3.8
2007-09-30	3.8
2007-12-31	3.6
2008-03-31	4.4
2008-06-30	3.5
2008-09-30	1.8
2008-12-31	0.6
2009-03-31	-1.9
2009-06-30	-2.6
2009-09-30	-3.6
2009-12-31	-4.7
2010-03-31	-4.5
2010-06-30	-5.1
2010-09-30	-5.2
2010-12-31	-3.6
2011-03-31	-3.1
2011-06-30	-2.4
2011-09-30	-2
2011-12-31	-3.3
2012-03-31	-3.8
2012-06-30	-4.4
2012-09-30	-3.9
2012-12-31	-2.6
2013-03-31	-0.8
2013-06-30	0.3
2013-09-30	3.2
2013-12-31	3.2
2014-03-31	4.2
2014-06-30	5.8
2014-09-30	5.8
2014-12-31	6.6
2015-03-31	7.5
2015-06-30	7.4
2015-09-30	7.8
2015-12-31	8.3
2016-03-31	9.1
2016-06-30	9.7
2016-09-30	9.6
2016-12-31	9.2
2017-03-31	8.7
2017-06-30	6.9
2017-09-30	5.1
2017-12-31	4.4
2018-03-31	1.5
2018-06-30	2.1
2018-09-30	2.1
2018-12-31	2.2
2019-03-31	2.9
2019-06-30	2.7
2019-09-30	3.1
2019-12-31	3
2020-03-31	2.4
2020-06-30	-3.1
2020-09-30	-6.4
2020-12-31	-8.8
2021-03-31	-9.6
2021-06-30	-5.2
2021-09-30	-2.3
2021-12-31	1.1
2022-03-31	3.9
2022-06-30	6.7
2022-09-30	7.5
2022-12-31	6.3
2023-03-31	5.8
2023-06-30	4.7
2023-09-30	4.1
2023-12-31	5.2