| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q3 2024 | 9.6 | -1.67 | -14.8% | Sep 30, 2024 |
| Q2 2024 | 9.64 | -2 | -17.2% | Jun 30, 2024 |
| Q1 2024 | 10.1 | -2.01 | -16.6% | Mar 31, 2024 |
| Q4 2023 | 10.7 | -1.47 | -12.1% | Dec 31, 2023 |
| Q3 2023 | 11.3 | -0.87 | -7.17% | Sep 30, 2023 |
| Q2 2023 | 11.6 | -0.2 | -1.69% | Jun 30, 2023 |
| Q1 2023 | 12.1 | +0.85 | +7.55% | Mar 31, 2023 |
| Q4 2022 | 12.2 | +1.25 | +11.4% | Dec 31, 2022 |
| Q3 2022 | 12.1 | +1.16 | +10.6% | Sep 30, 2022 |
| Q2 2022 | 11.8 | +0.44 | +3.86% | Jun 30, 2022 |
| Q1 2022 | 11.3 | -0.43 | -3.68% | Mar 31, 2022 |
| Q4 2021 | 10.9 | -0.94 | -7.92% | Dec 31, 2021 |
| Q3 2021 | 11 | -0.78 | -6.64% | Sep 30, 2021 |
| Q2 2021 | 11.4 | -0.36 | -3.06% | Jun 30, 2021 |
| Q1 2021 | 11.7 | -0.36 | -2.99% | Mar 31, 2021 |
| Q4 2020 | 11.9 | -0.66 | -5.27% | Dec 31, 2020 |
| Q3 2020 | 11.8 | -1.09 | -8.49% | Sep 30, 2020 |
| Q2 2020 | 11.8 | -1.4 | -10.6% | Jun 30, 2020 |
| Q1 2020 | 12.1 | -0.75 | -5.86% | Mar 31, 2020 |
| Q4 2019 | 12.5 | -0.33 | -2.57% | Dec 31, 2019 |
| Q3 2019 | 12.9 | -0.44 | -3.31% | Sep 30, 2019 |
| Q2 2019 | 13.2 | +0.58 | +4.61% | Jun 30, 2019 |
| Q1 2019 | 12.8 | +0.9 | +7.56% | Mar 31, 2019 |
| Q4 2018 | 12.9 | +1.48 | +13% | Dec 31, 2018 |
| Q3 2018 | 13.3 | +2.7 | +25.5% | Sep 30, 2018 |
| Q2 2018 | 12.6 | +1.33 | +11.8% | Jun 30, 2018 |
| Q1 2018 | 11.9 | -0.28 | -2.3% | Mar 31, 2018 |
| Q4 2017 | 11.4 | -1.38 | -10.8% | Dec 31, 2017 |
| Q3 2017 | 10.6 | -3.03 | -22.3% | Sep 30, 2017 |
| Q2 2017 | 11.3 | -2.58 | -18.7% | Jun 30, 2017 |
| Q1 2017 | 12.2 | -2.42 | -16.6% | Mar 31, 2017 |
| Q4 2016 | 12.8 | -2.33 | -15.4% | Dec 31, 2016 |
| Q3 2016 | 13.6 | -1.82 | -11.8% | Sep 30, 2016 |
| Q2 2016 | 13.8 | -1.55 | -10.1% | Jun 30, 2016 |
| Q1 2016 | 14.6 | -0.18 | -1.22% | Mar 31, 2016 |
| Q4 2015 | 15.1 | +0.58 | +4% | Dec 31, 2015 |
| Q3 2015 | 15.4 | +0.88 | +6.05% | Sep 30, 2015 |
| Q2 2015 | 15.4 | +0.48 | +3.22% | Jun 30, 2015 |
| Q1 2015 | 14.8 | -0.84 | -5.38% | Mar 31, 2015 |
| Q4 2014 | 14.5 | -2.1 | -12.7% | Dec 31, 2014 |
| Q3 2014 | 14.6 | -2.66 | -15.5% | Sep 30, 2014 |
| Q2 2014 | 14.9 | -3.12 | -17.3% | Jun 30, 2014 |
| Q1 2014 | 15.6 | -4.26 | -21.4% | Mar 31, 2014 |
| Q4 2013 | 16.6 | -3.19 | -16.1% | Dec 31, 2013 |
| Q3 2013 | 17.2 | -2.96 | -14.7% | Sep 30, 2013 |
| Q2 2013 | 18 | -2.07 | -10.3% | Jun 30, 2013 |
| Q1 2013 | 19.9 | +1.61 | +8.82% | Mar 31, 2013 |
| Q4 2012 | 19.8 | +1.65 | +9.1% | Dec 31, 2012 |
| Q3 2012 | 20.2 | +1.17 | +6.16% | Sep 30, 2012 |
| Q2 2012 | 20.1 | +0.84 | +4.36% | Jun 30, 2012 |
| Q1 2012 | 18.3 | -2.6 | -12.5% | Mar 31, 2012 |
| Q4 2011 | 18.1 | Dec 31, 2011 | ||
| Q3 2011 | 19 | Sep 30, 2011 | ||
| Q2 2011 | 19.3 | Jun 30, 2011 | ||
| Q1 2011 | 20.9 | Mar 31, 2011 |