| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q1 2024 | 44.8 | -4.85 | -9.78% | Mar 31, 2024 |
| Q4 2023 | 46.2 | -1.82 | -3.79% | Dec 31, 2023 |
| Q3 2023 | 47.7 | +0.28 | +0.59% | Sep 30, 2023 |
| Q2 2023 | 49.1 | +3.69 | +8.13% | Jun 30, 2023 |
| Q1 2023 | 49.6 | +6.12 | +14.1% | Mar 31, 2023 |
| Q4 2022 | 48.1 | +6.97 | +17% | Dec 31, 2022 |
| Q3 2022 | 47.4 | +8.57 | +22.1% | Sep 30, 2022 |
| Q2 2022 | 45.4 | +7.78 | +20.7% | Jun 30, 2022 |
| Q1 2022 | 43.5 | +8 | +22.5% | Mar 31, 2022 |
| Q4 2021 | 41.1 | +6 | +17.1% | Dec 31, 2021 |
| Q3 2021 | 38.9 | +3.09 | +8.64% | Sep 30, 2021 |
| Q2 2021 | 37.6 | +0.82 | +2.23% | Jun 30, 2021 |
| Q1 2021 | 35.5 | -3.62 | -9.26% | Mar 31, 2021 |
| Q4 2020 | 35.1 | -5.91 | -14.4% | Dec 31, 2020 |
| Q3 2020 | 35.8 | -5.62 | -13.6% | Sep 30, 2020 |
| Q2 2020 | 36.8 | -6.68 | -15.4% | Jun 30, 2020 |
| Q1 2020 | 39.1 | -6.14 | -13.6% | Mar 31, 2020 |
| Q4 2019 | 41 | -5.79 | -12.4% | Dec 31, 2019 |
| Q3 2019 | 41.4 | -6.46 | -13.5% | Sep 30, 2019 |
| Q2 2019 | 43.5 | -1.42 | -3.16% | Jun 30, 2019 |
| Q1 2019 | 45.3 | +2.5 | +5.85% | Mar 31, 2019 |
| Q4 2018 | 46.8 | +6.19 | +15.3% | Dec 31, 2018 |
| Q3 2018 | 47.9 | +9.32 | +24.2% | Sep 30, 2018 |
| Q2 2018 | 44.9 | +6.76 | +17.7% | Jun 30, 2018 |
| Q1 2018 | 42.8 | +4.23 | +11% | Mar 31, 2018 |
| Q4 2017 | 40.6 | +1.73 | +4.45% | Dec 31, 2017 |
| Q3 2017 | 38.5 | -0.17 | -0.44% | Sep 30, 2017 |
| Q2 2017 | 38.2 | -0.8 | -2.05% | Jun 30, 2017 |
| Q1 2017 | 38.5 | +0.19 | +0.5% | Mar 31, 2017 |
| Q4 2016 | 38.9 | +0.87 | +2.29% | Dec 31, 2016 |
| Q3 2016 | 38.7 | +0.21 | +0.55% | Sep 30, 2016 |
| Q2 2016 | 39 | +0.38 | +0.99% | Jun 30, 2016 |
| Q1 2016 | 38.3 | -0.5 | -1.29% | Mar 31, 2016 |
| Q4 2015 | 38 | -1.51 | -3.82% | Dec 31, 2015 |
| Q3 2015 | 38.5 | -2.58 | -6.28% | Sep 30, 2015 |
| Q2 2015 | 38.6 | -3.56 | -8.45% | Jun 30, 2015 |
| Q1 2015 | 38.8 | -4.81 | -11% | Mar 31, 2015 |
| Q4 2014 | 39.5 | -4.98 | -11.2% | Dec 31, 2014 |
| Q3 2014 | 41.1 | -1.7 | -3.97% | Sep 30, 2014 |
| Q2 2014 | 42.1 | +0.29 | +0.69% | Jun 30, 2014 |
| Q1 2014 | 43.7 | +3.42 | +8.5% | Mar 31, 2014 |
| Q4 2013 | 44.5 | +5.36 | +13.7% | Dec 31, 2013 |
| Q3 2013 | 42.8 | +2.41 | +5.97% | Sep 30, 2013 |
| Q2 2013 | 41.9 | +0.02 | +0.05% | Jun 30, 2013 |
| Q1 2013 | 40.2 | -3.57 | -8.15% | Mar 31, 2013 |
| Q4 2012 | 39.1 | -6.53 | -14.3% | Dec 31, 2012 |
| Q3 2012 | 40.4 | -5.29 | -11.6% | Sep 30, 2012 |
| Q2 2012 | 41.8 | -3.97 | -8.67% | Jun 30, 2012 |
| Q1 2012 | 43.8 | -1.8 | -3.95% | Mar 31, 2012 |
| Q4 2011 | 45.6 | +0.08 | +0.18% | Dec 31, 2011 |
| Q3 2011 | 45.7 | Sep 30, 2011 | ||
| Q2 2011 | 45.8 | Jun 30, 2011 | ||
| Q1 2011 | 45.6 | Mar 31, 2011 | ||
| Q4 2010 | 45.6 | Dec 31, 2010 |