| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q3 2024 | 35.1 | +0.44 | +1.27% | Sep 30, 2024 |
| Q2 2024 | 34.7 | -0.64 | -1.81% | Jun 30, 2024 |
| Q1 2024 | 34.5 | -1.12 | -3.14% | Mar 31, 2024 |
| Q4 2023 | 34.4 | -1.18 | -3.31% | Dec 31, 2023 |
| Q3 2023 | 34.6 | -0.69 | -1.95% | Sep 30, 2023 |
| Q2 2023 | 35.3 | +0.84 | +2.44% | Jun 30, 2023 |
| Q1 2023 | 35.7 | +1.4 | +4.09% | Mar 31, 2023 |
| Q4 2022 | 35.6 | +1.72 | +5.07% | Dec 31, 2022 |
| Q3 2022 | 35.3 | +1.31 | +3.85% | Sep 30, 2022 |
| Q2 2022 | 34.5 | +1.45 | +4.39% | Jun 30, 2022 |
| Q1 2022 | 34.3 | +2.66 | +8.42% | Mar 31, 2022 |
| Q4 2021 | 33.9 | +2.79 | +8.97% | Dec 31, 2021 |
| Q3 2021 | 34 | +2.96 | +9.54% | Sep 30, 2021 |
| Q2 2021 | 33 | +0.89 | +2.77% | Jun 30, 2021 |
| Q1 2021 | 31.6 | -2.01 | -5.98% | Mar 31, 2021 |
| Q4 2020 | 31.1 | -3.72 | -10.7% | Dec 31, 2020 |
| Q3 2020 | 31 | -3.27 | -9.53% | Sep 30, 2020 |
| Q2 2020 | 32.1 | -0.34 | -1.05% | Jun 30, 2020 |
| Q1 2020 | 33.6 | +3.59 | +12% | Mar 31, 2020 |
| Q4 2019 | 34.8 | +7.17 | +25.9% | Dec 31, 2019 |
| Q3 2019 | 34.3 | +7.41 | +27.5% | Sep 30, 2019 |
| Q2 2019 | 32.5 | +4.5 | +16.1% | Jun 30, 2019 |
| Q1 2019 | 30 | +0.94 | +3.23% | Mar 31, 2019 |
| Q4 2018 | 27.7 | -2.89 | -9.46% | Dec 31, 2018 |
| Q3 2018 | 26.9 | -4.09 | -13.2% | Sep 30, 2018 |
| Q2 2018 | 28 | -2.44 | -8.03% | Jun 30, 2018 |
| Q1 2018 | 29.1 | -1.89 | -6.11% | Mar 31, 2018 |
| Q4 2017 | 30.5 | +0.27 | +0.89% | Dec 31, 2017 |
| Q3 2017 | 31 | +1.05 | +3.51% | Sep 30, 2017 |
| Q2 2017 | 30.4 | +0.55 | +1.84% | Jun 30, 2017 |
| Q1 2017 | 31 | +1.43 | +4.84% | Mar 31, 2017 |
| Q4 2016 | 30.3 | -0.24 | -0.79% | Dec 31, 2016 |
| Q3 2016 | 29.9 | -2.08 | -6.5% | Sep 30, 2016 |
| Q2 2016 | 29.8 | -3.99 | -11.8% | Jun 30, 2016 |
| Q1 2016 | 29.5 | -5.62 | -16% | Mar 31, 2016 |
| Q4 2015 | 30.5 | -6.62 | -17.8% | Dec 31, 2015 |
| Q3 2015 | 32 | -5.54 | -14.7% | Sep 30, 2015 |
| Q2 2015 | 33.8 | -3.84 | -10.2% | Jun 30, 2015 |
| Q1 2015 | 35.2 | -2.74 | -7.23% | Mar 31, 2015 |
| Q4 2014 | 37.1 | -0.59 | -1.56% | Dec 31, 2014 |
| Q3 2014 | 37.6 | -1.38 | -3.54% | Sep 30, 2014 |
| Q2 2014 | 37.7 | -2.29 | -5.73% | Jun 30, 2014 |
| Q1 2014 | 37.9 | -2.45 | -6.07% | Mar 31, 2014 |
| Q4 2013 | 37.7 | -4.65 | -11% | Dec 31, 2013 |
| Q3 2013 | 39 | -4.98 | -11.3% | Sep 30, 2013 |
| Q2 2013 | 40 | -3.16 | -7.33% | Jun 30, 2013 |
| Q1 2013 | 40.3 | -0.96 | -2.33% | Mar 31, 2013 |
| Q4 2012 | 42.4 | +3 | +7.62% | Dec 31, 2012 |
| Q3 2012 | 43.9 | +6.83 | +18.4% | Sep 30, 2012 |
| Q2 2012 | 43.1 | +6.18 | +16.7% | Jun 30, 2012 |
| Q1 2012 | 41.3 | +5.33 | +14.8% | Mar 31, 2012 |
| Q4 2011 | 39.4 | +6.11 | +18.4% | Dec 31, 2011 |
| Q3 2011 | 37.1 | Sep 30, 2011 | ||
| Q2 2011 | 36.9 | Jun 30, 2011 | ||
| Q1 2011 | 36 | Mar 31, 2011 | ||
| Q4 2010 | 33.3 | Dec 31, 2010 |