| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q4 2024 | 29.7 | -0.62 | -2.05% | Dec 31, 2024 |
| Q3 2024 | 29.9 | -1.36 | -4.36% | Sep 30, 2024 |
| Q2 2024 | 28.8 | -4.61 | -13.8% | Jun 30, 2024 |
| Q1 2024 | 29.6 | -4.13 | -12.2% | Mar 31, 2024 |
| Q4 2023 | 30.3 | -3.53 | -10.4% | Dec 31, 2023 |
| Q3 2023 | 31.2 | -2.18 | -6.53% | Sep 30, 2023 |
| Q2 2023 | 33.4 | +0.87 | +2.68% | Jun 30, 2023 |
| Q1 2023 | 33.7 | +3.47 | +11.5% | Mar 31, 2023 |
| Q4 2022 | 33.8 | +4.47 | +15.2% | Dec 31, 2022 |
| Q3 2022 | 33.4 | +3.71 | +12.5% | Sep 30, 2022 |
| Q2 2022 | 32.5 | +1.34 | +4.3% | Jun 30, 2022 |
| Q1 2022 | 30.3 | -3.18 | -9.51% | Mar 31, 2022 |
| Q4 2021 | 29.3 | -4.8 | -14.1% | Dec 31, 2021 |
| Q3 2021 | 29.7 | -3.3 | -10% | Sep 30, 2021 |
| Q2 2021 | 31.1 | -3.03 | -8.87% | Jun 30, 2021 |
| Q1 2021 | 33.4 | -2.32 | -6.49% | Mar 31, 2021 |
| Q4 2020 | 34.1 | -3.11 | -8.35% | Dec 31, 2020 |
| Q3 2020 | 33 | -7.22 | -18% | Sep 30, 2020 |
| Q2 2020 | 34.2 | -6.26 | -15.5% | Jun 30, 2020 |
| Q1 2020 | 35.8 | -4.94 | -12.1% | Mar 31, 2020 |
| Q4 2019 | 37.3 | -5.36 | -12.6% | Dec 31, 2019 |
| Q3 2019 | 40.2 | -5.07 | -11.2% | Sep 30, 2019 |
| Q2 2019 | 40.4 | -8.6 | -17.5% | Jun 30, 2019 |
| Q1 2019 | 40.7 | -11.4 | -21.9% | Mar 31, 2019 |
| Q4 2018 | 42.6 | -12.6 | -22.8% | Dec 31, 2018 |
| Q3 2018 | 45.3 | -11.2 | -19.8% | Sep 30, 2018 |
| Q2 2018 | 49 | -8.93 | -15.4% | Jun 30, 2018 |
| Q1 2018 | 52.1 | -9.3 | -15.2% | Mar 31, 2018 |
| Q4 2017 | 55.2 | -7.48 | -11.9% | Dec 31, 2017 |
| Q3 2017 | 56.5 | -5.3 | -8.58% | Sep 30, 2017 |
| Q2 2017 | 58 | -3.84 | -6.22% | Jun 30, 2017 |
| Q1 2017 | 61.4 | +2.4 | +4.07% | Mar 31, 2017 |
| Q4 2016 | 62.7 | +4.44 | +7.63% | Dec 31, 2016 |
| Q3 2016 | 61.8 | +3.15 | +5.37% | Sep 30, 2016 |
| Q2 2016 | 61.8 | +3.1 | +5.28% | Jun 30, 2016 |
| Q1 2016 | 59 | +0.16 | +0.27% | Mar 31, 2016 |
| Q4 2015 | 58.2 | -0.69 | -1.17% | Dec 31, 2015 |
| Q3 2015 | 58.6 | -1.59 | -2.64% | Sep 30, 2015 |
| Q2 2015 | 58.7 | -2.4 | -3.93% | Jun 30, 2015 |
| Q1 2015 | 58.8 | -4.25 | -6.74% | Mar 31, 2015 |
| Q4 2014 | 58.9 | -3.32 | -5.33% | Dec 31, 2014 |
| Q3 2014 | 60.2 | -0.35 | -0.58% | Sep 30, 2014 |
| Q2 2014 | 61.1 | +3.22 | +5.57% | Jun 30, 2014 |
| Q1 2014 | 63.1 | +8.6 | +15.8% | Mar 31, 2014 |
| Q4 2013 | 62.2 | +10.3 | +19.9% | Dec 31, 2013 |
| Q3 2013 | 60.6 | +9.37 | +18.3% | Sep 30, 2013 |
| Q2 2013 | 57.9 | +5.08 | +9.62% | Jun 30, 2013 |
| Q1 2013 | 54.5 | -0.42 | -0.77% | Mar 31, 2013 |
| Q4 2012 | 51.9 | -4.85 | -8.54% | Dec 31, 2012 |
| Q3 2012 | 51.2 | -6.53 | -11.3% | Sep 30, 2012 |
| Q2 2012 | 52.8 | -3.38 | -6.02% | Jun 30, 2012 |
| Q1 2012 | 54.9 | +1.14 | +2.12% | Mar 31, 2012 |
| Q4 2011 | 56.8 | Dec 31, 2011 | ||
| Q3 2011 | 57.7 | Sep 30, 2011 | ||
| Q2 2011 | 56.2 | Jun 30, 2011 | ||
| Q1 2011 | 53.8 | Mar 31, 2011 |