Quarter Percent 2009-09-30 -6.8 2009-12-31 2.3 2010-03-31 3.4 2010-06-30 -6.2 2010-09-30 1.2 2010-12-31 -5.6 2011-03-31 1.2 2011-06-30 1.9 2011-09-30 3.7 2011-12-31 -22.6 2012-03-31 5.6 2012-06-30 -6.7 2012-09-30 0.5 2012-12-31 2.2 2013-03-31 8.6 2013-06-30 -8.8 2013-09-30 -0.4 2013-12-31 -12.5 2014-03-31 -24.2 2014-06-30 -7.6 2014-09-30 -4.7 2014-12-31 -18.1 2015-03-31 17.5 2015-06-30 -7.8 2015-09-30 2.5 2015-12-31 -11.2 2016-03-31 11.6 2016-06-30 14 2016-09-30 -7.7 2016-12-31 -5.6 2017-03-31 20.8 2017-06-30 3.3 2017-09-30 2.8 2017-12-31 -3.4 2018-03-31 5.6 2018-06-30 -1 2018-09-30 8.3 2018-12-31 11.3 2019-03-31 -6.1 2019-06-30 -0.1 2019-09-30 17.2 2019-12-31 3.2 2020-03-31 43.5 2020-06-30 -3.7 2020-09-30 0.1 2020-12-31 2.1 2021-03-31 -6.3 2021-06-30 1.1 2021-09-30 7.5 2021-12-31 5.7 2022-03-31 4.1 2022-06-30 1.1 2022-09-30 10.7 2022-12-31 -14.8 2023-03-31 0.1 2023-06-30 9 2023-09-30 4.9 2023-12-31 13.5