Quarter	Percent
2012-06-30	-35.8
2012-09-30	-35
2012-12-31	-34.1
2013-03-31	-28.9
2013-06-30	-17.5
2013-09-30	-15.1
2013-12-31	-15.8
2014-03-31	-15.7
2014-06-30	-13.1
2014-09-30	-14.2
2014-12-31	-16.5
2015-03-31	-26.3
2015-06-30	-29.7
2015-09-30	-33.9
2015-12-31	-30.9
2016-03-31	-19.6
2016-06-30	-15.7
2016-09-30	-15.6
2016-12-31	-10.3
2017-03-31	-16.7
2017-06-30	-18.6
2017-09-30	-12.3
2017-12-31	-16.6
2018-03-31	-3.1
2018-06-30	-0.4
2018-09-30	5.5
2018-12-31	12.1
2019-03-31	7
2019-06-30	7.7
2019-09-30	4.1
2019-12-31	3.6
2020-03-31	11.6
2020-06-30	9.7
2020-09-30	4.7
2020-12-31	-8.9
2021-03-31	-15.7
2021-06-30	-20.1
2021-09-30	-18.6
2021-12-31	-15.7
2022-03-31	-10.7
2022-06-30	-11.8
2022-09-30	-10.2
2022-12-31	0.4
2023-03-31	-4.5
2023-06-30	6.4
2023-09-30	4.9
2023-12-31	2.4