Quarter	Percent
2008-03-31	0.8
2008-06-30	0.1
2008-09-30	-0.3
2008-12-31	-1.3
2009-03-31	-1.4
2009-06-30	-0.7
2009-09-30	-1
2009-12-31	-1.5
2010-03-31	-1.1
2010-06-30	-1.6
2010-09-30	-1.2
2010-12-31	-0.6
2011-03-31	-0.2
2011-06-30	-0.9
2011-09-30	-0.3
2011-12-31	-1.6
2012-03-31	-0.9
2012-06-30	-1.5
2012-09-30	-0.5
2012-12-31	-0.5
2013-03-31	1.4
2013-06-30	1.1
2013-09-30	2
2013-12-31	0.1
2014-03-31	2.8
2014-06-30	2.2
2014-09-30	2.8
2014-12-31	1
2015-03-31	3.6
2015-06-30	2.2
2015-09-30	3.1
2015-12-31	1.7
2016-03-31	3.8
2016-06-30	2.9
2016-09-30	3.2
2016-12-31	0.7
2017-03-31	3.3
2017-06-30	0.4
2017-09-30	0.8
2017-12-31	-0.4
2018-03-31	0.7
2018-06-30	1
2018-09-30	1.1
2018-12-31	-0.3
2019-03-31	1.5
2019-06-30	0.9
2019-09-30	1.4
2019-12-31	-0.3
2020-03-31	1.2
2020-06-30	-3.5
2020-09-30	-1.8
2020-12-31	-2.5
2021-03-31	-1.3
2021-06-30	0.2
2021-09-30	1
2021-12-31	0.5
2022-03-31	1.8
2022-06-30	3.1
2022-09-30	2.4
2022-12-31	-0.3
2023-03-31	1.6
2023-06-30	2.3
2023-09-30	1.8
2023-12-31	0.5