| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q3 2023 | 24.4 | -4.87 | -16.6% | Sep 30, 2023 |
| Q2 2023 | 26.3 | -2.53 | -8.79% | Jun 30, 2023 |
| Q1 2023 | 28.4 | +0.37 | +1.32% | Mar 31, 2023 |
| Q4 2022 | 29.2 | +2.49 | +9.31% | Dec 31, 2022 |
| Q3 2022 | 29.3 | +4.57 | +18.5% | Sep 30, 2022 |
| Q2 2022 | 28.8 | +6.34 | +28.2% | Jun 30, 2022 |
| Q1 2022 | 28.1 | +6.98 | +33.1% | Mar 31, 2022 |
| Q4 2021 | 26.7 | +5.8 | +27.7% | Dec 31, 2021 |
| Q3 2021 | 24.7 | +4.03 | +19.5% | Sep 30, 2021 |
| Q2 2021 | 22.5 | +0.9 | +4.18% | Jun 30, 2021 |
| Q1 2021 | 21.1 | -0.16 | -0.75% | Mar 31, 2021 |
| Q4 2020 | 20.9 | -0.46 | -2.15% | Dec 31, 2020 |
| Q3 2020 | 20.7 | +0.32 | +1.57% | Sep 30, 2020 |
| Q2 2020 | 21.6 | +3.65 | +20.4% | Jun 30, 2020 |
| Q1 2020 | 21.3 | +3.98 | +23% | Mar 31, 2020 |
| Q4 2019 | 21.4 | +5.81 | +37.3% | Dec 31, 2019 |
| Q3 2019 | 20.4 | +5.13 | +33.6% | Sep 30, 2019 |
| Q2 2019 | 17.9 | +2.21 | +14.1% | Jun 30, 2019 |
| Q1 2019 | 17.3 | +1.88 | +12.2% | Mar 31, 2019 |
| Q4 2018 | 15.6 | +0.04 | +0.26% | Dec 31, 2018 |
| Q3 2018 | 15.3 | -0.61 | -3.84% | Sep 30, 2018 |
| Q2 2018 | 15.7 | +0.37 | +2.42% | Jun 30, 2018 |
| Q1 2018 | 15.4 | +0.86 | +5.92% | Mar 31, 2018 |
| Q4 2017 | 15.5 | +1.99 | +14.7% | Dec 31, 2017 |
| Q3 2017 | 15.9 | +3.23 | +25.5% | Sep 30, 2017 |
| Q2 2017 | 15.3 | +2.89 | +23.2% | Jun 30, 2017 |
| Q1 2017 | 14.5 | +2.16 | +17.5% | Mar 31, 2017 |
| Q4 2016 | 13.6 | +1.13 | +9.1% | Dec 31, 2016 |
| Q3 2016 | 12.6 | +0.01 | +0.08% | Sep 30, 2016 |
| Q2 2016 | 12.4 | -0.27 | -2.13% | Jun 30, 2016 |
| Q1 2016 | 12.4 | -0.29 | -2.29% | Mar 31, 2016 |
| Q4 2015 | 12.4 | -0.25 | -1.97% | Dec 31, 2015 |
| Q3 2015 | 12.6 | +0.04 | +0.32% | Sep 30, 2015 |
| Q2 2015 | 12.7 | Jun 30, 2015 | ||
| Q1 2015 | 12.7 | Mar 31, 2015 | ||
| Q4 2014 | 12.7 | Dec 31, 2014 | ||
| Q3 2014 | 12.6 | Sep 30, 2014 | ||
| Q4 2012 | 14.1 | Dec 31, 2012 | ||
| Q3 2012 | 12.7 | Sep 30, 2012 | ||
| Q2 2012 | 11.7 | Jun 30, 2012 | ||
| Q1 2012 | 11.9 | Mar 31, 2012 |