Quarter	Percent
2010-06-30	-1.9
2010-09-30	0.1
2010-12-31	-1.9
2011-03-31	-2.4
2011-06-30	-0.4
2011-09-30	0.2
2011-12-31	-4.6
2012-03-31	-3.6
2012-06-30	-5.7
2012-09-30	-6.4
2012-12-31	0.3
2013-03-31	1
2013-06-30	0.4
2013-09-30	0.2
2013-12-31	-3.6
2014-03-31	-11.9
2014-06-30	-11.6
2014-09-30	-12.6
2014-12-31	-14
2015-03-31	-4
2015-06-30	-4.1
2015-09-30	-2.3
2015-12-31	-0.4
2016-03-31	-1.6
2016-06-30	3.7
2016-09-30	1
2016-12-31	2.6
2017-03-31	4.7
2017-06-30	2.1
2017-09-30	4.9
2017-12-31	5.5
2018-03-31	2
2018-06-30	0.9
2018-09-30	2.3
2018-12-31	6
2019-03-31	2.9
2019-06-30	3.1
2019-09-30	5.2
2019-12-31	3.2
2020-03-31	14.7
2020-06-30	13.7
2020-09-30	9.3
2020-12-31	9
2021-03-31	-2
2021-06-30	-0.8
2021-09-30	1
2021-12-31	1.9
2022-03-31	4.6
2022-06-30	4.6
2022-09-30	5.3
2022-12-31	-0.2
2023-03-31	-1.2
2023-06-30	0.7
2023-09-30	-0.6
2023-12-31	6.8