| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q1 2024 | 31.5 | -6.84 | -17.8% | Mar 31, 2024 |
| Q4 2023 | 32.6 | -7.66 | -19% | Dec 31, 2023 |
| Q3 2023 | 34.9 | -6.21 | -15.1% | Sep 30, 2023 |
| Q2 2023 | 36.9 | -3.56 | -8.8% | Jun 30, 2023 |
| Q1 2023 | 38.4 | -1.4 | -3.52% | Mar 31, 2023 |
| Q4 2022 | 40.2 | +1.04 | +2.65% | Dec 31, 2022 |
| Q3 2022 | 41.1 | +2.92 | +7.64% | Sep 30, 2022 |
| Q2 2022 | 40.5 | +2.37 | +6.22% | Jun 30, 2022 |
| Q1 2022 | 39.8 | +0.56 | +1.43% | Mar 31, 2022 |
| Q4 2021 | 39.2 | Dec 31, 2021 | ||
| Q3 2021 | 38.2 | Sep 30, 2021 | ||
| Q2 2021 | 38.1 | Jun 30, 2021 | ||
| Q1 2021 | 39.2 | Mar 31, 2021 | ||
| Q4 2018 | 36.8 | -7.07 | -16.1% | Dec 31, 2018 |
| Q3 2018 | 37 | -8.82 | -19.2% | Sep 30, 2018 |
| Q2 2018 | 39.6 | -6.06 | -13.3% | Jun 30, 2018 |
| Q1 2018 | 41.4 | -4.57 | -9.93% | Mar 31, 2018 |
| Q4 2017 | 43.9 | -1.92 | -4.19% | Dec 31, 2017 |
| Q3 2017 | 45.8 | -0.07 | -0.15% | Sep 30, 2017 |
| Q2 2017 | 45.7 | +0.12 | +0.26% | Jun 30, 2017 |
| Q1 2017 | 46 | +0.6 | +1.32% | Mar 31, 2017 |
| Q4 2016 | 45.8 | +0.94 | +2.1% | Dec 31, 2016 |
| Q3 2016 | 45.9 | +2.12 | +4.84% | Sep 30, 2016 |
| Q2 2016 | 45.6 | +1.87 | +4.28% | Jun 30, 2016 |
| Q1 2016 | 45.4 | +1.55 | +3.54% | Mar 31, 2016 |
| Q4 2015 | 44.9 | +0.73 | +1.65% | Dec 31, 2015 |
| Q3 2015 | 43.8 | -0.99 | -2.21% | Sep 30, 2015 |
| Q2 2015 | 43.7 | -1.82 | -4% | Jun 30, 2015 |
| Q1 2015 | 43.9 | -2.66 | -5.72% | Mar 31, 2015 |
| Q4 2014 | 44.1 | -2.89 | -6.15% | Dec 31, 2014 |
| Q3 2014 | 44.8 | -2.94 | -6.16% | Sep 30, 2014 |
| Q2 2014 | 45.5 | -2.39 | -4.99% | Jun 30, 2014 |
| Q1 2014 | 46.5 | -1.19 | -2.5% | Mar 31, 2014 |
| Q4 2013 | 47 | -1.02 | -2.12% | Dec 31, 2013 |
| Q3 2013 | 47.7 | +0.01 | +0.02% | Sep 30, 2013 |
| Q2 2013 | 47.9 | +0.11 | +0.23% | Jun 30, 2013 |
| Q1 2013 | 47.7 | -0.85 | -1.75% | Mar 31, 2013 |
| Q4 2012 | 48 | Dec 31, 2012 | ||
| Q3 2012 | 47.7 | Sep 30, 2012 | ||
| Q2 2012 | 47.8 | Jun 30, 2012 | ||
| Q1 2012 | 48.5 | Mar 31, 2012 |