| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q3 2024 | 38.9 | -6.12 | -13.6% | Sep 30, 2024 |
| Q2 2024 | 39 | -10.4 | -21% | Jun 30, 2024 |
| Q1 2024 | 38.8 | -11.5 | -22.9% | Mar 31, 2024 |
| Q4 2023 | 42.2 | -5.77 | -12% | Dec 31, 2023 |
| Q3 2023 | 45 | -0.34 | -0.75% | Sep 30, 2023 |
| Q2 2023 | 49.4 | +3.32 | +7.21% | Jun 30, 2023 |
| Q1 2023 | 50.4 | -2.4 | -4.55% | Mar 31, 2023 |
| Q4 2022 | 47.9 | -10.4 | -17.8% | Dec 31, 2022 |
| Q3 2022 | 45.3 | -19 | -29.6% | Sep 30, 2022 |
| Q2 2022 | 46 | -14.4 | -23.8% | Jun 30, 2022 |
| Q1 2022 | 52.8 | -6.43 | -10.9% | Mar 31, 2022 |
| Q4 2021 | 58.3 | +1.13 | +1.98% | Dec 31, 2021 |
| Q3 2021 | 64.4 | +9.69 | +17.7% | Sep 30, 2021 |
| Q2 2021 | 60.4 | +8.81 | +17.1% | Jun 30, 2021 |
| Q1 2021 | 59.2 | +9.48 | +19.1% | Mar 31, 2021 |
| Q4 2020 | 57.2 | +8.79 | +18.2% | Dec 31, 2020 |
| Q3 2020 | 54.7 | +5.75 | +11.8% | Sep 30, 2020 |
| Q2 2020 | 51.6 | -0.17 | -0.33% | Jun 30, 2020 |
| Q1 2020 | 49.7 | -1.48 | -2.89% | Mar 31, 2020 |
| Q4 2019 | 48.4 | -2.76 | -5.39% | Dec 31, 2019 |
| Q3 2019 | 48.9 | -1.97 | -3.87% | Sep 30, 2019 |
| Q2 2019 | 51.8 | +1.89 | +3.79% | Jun 30, 2019 |
| Q1 2019 | 51.2 | +2.53 | +5.2% | Mar 31, 2019 |
| Q4 2018 | 51.2 | +2.29 | +4.68% | Dec 31, 2018 |
| Q3 2018 | 50.9 | +1.96 | +4.01% | Sep 30, 2018 |
| Q2 2018 | 49.9 | +0.82 | +1.67% | Jun 30, 2018 |
| Q1 2018 | 48.7 | -1.66 | -3.3% | Mar 31, 2018 |
| Q4 2017 | 48.9 | -1.29 | -2.57% | Dec 31, 2017 |
| Q3 2017 | 48.9 | -1.94 | -3.81% | Sep 30, 2017 |
| Q2 2017 | 49.1 | -2.24 | -4.37% | Jun 30, 2017 |
| Q1 2017 | 50.3 | -2.38 | -4.52% | Mar 31, 2017 |
| Q4 2016 | 50.2 | -2.51 | -4.76% | Dec 31, 2016 |
| Q3 2016 | 50.9 | -3.72 | -6.81% | Sep 30, 2016 |
| Q2 2016 | 51.3 | -2.66 | -4.93% | Jun 30, 2016 |
| Q1 2016 | 52.7 | +2.43 | +4.83% | Mar 31, 2016 |
| Q4 2015 | 52.7 | +4.45 | +9.22% | Dec 31, 2015 |
| Q3 2015 | 54.6 | +10 | +22.5% | Sep 30, 2015 |
| Q2 2015 | 54 | +11.1 | +25.9% | Jun 30, 2015 |
| Q1 2015 | 50.3 | +8.21 | +19.5% | Mar 31, 2015 |
| Q4 2014 | 48.3 | +6.86 | +16.6% | Dec 31, 2014 |
| Q3 2014 | 44.6 | +0.1 | +0.23% | Sep 30, 2014 |
| Q2 2014 | 42.9 | -5.83 | -12% | Jun 30, 2014 |
| Q1 2014 | 42.1 | -11.4 | -21.4% | Mar 31, 2014 |
| Q4 2013 | 41.4 | -18 | -30.3% | Dec 31, 2013 |
| Q3 2013 | 44.5 | -16.5 | -27.1% | Sep 30, 2013 |
| Q2 2013 | 48.7 | -12.8 | -20.8% | Jun 30, 2013 |
| Q1 2013 | 53.5 | -8.76 | -14.1% | Mar 31, 2013 |
| Q4 2012 | 59.4 | -3.5 | -5.57% | Dec 31, 2012 |
| Q3 2012 | 61 | -2.09 | -3.31% | Sep 30, 2012 |
| Q2 2012 | 61.5 | +0.53 | +0.87% | Jun 30, 2012 |
| Q1 2012 | 62.3 | +2.73 | +4.59% | Mar 31, 2012 |
| Q4 2011 | 62.9 | +3.74 | +6.33% | Dec 31, 2011 |
| Q3 2011 | 63.1 | Sep 30, 2011 | ||
| Q2 2011 | 61 | Jun 30, 2011 | ||
| Q1 2011 | 59.5 | Mar 31, 2011 | ||
| Q4 2010 | 59.1 | Dec 31, 2010 |