| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q3 2024 | 41.9 | -2.68 | -6.01% | Sep 30, 2024 |
| Q2 2024 | 42.1 | -3.9 | -8.47% | Jun 30, 2024 |
| Q1 2024 | 42 | -5.69 | -11.9% | Mar 31, 2024 |
| Q4 2023 | 44 | -6.63 | -13.1% | Dec 31, 2023 |
| Q3 2023 | 44.6 | -9.84 | -18.1% | Sep 30, 2023 |
| Q2 2023 | 46 | -7.99 | -14.8% | Jun 30, 2023 |
| Q1 2023 | 47.7 | -6.7 | -12.3% | Mar 31, 2023 |
| Q4 2022 | 50.6 | -1.77 | -3.38% | Dec 31, 2022 |
| Q3 2022 | 54.5 | +1.96 | +3.73% | Sep 30, 2022 |
| Q2 2022 | 54 | -1.49 | -2.69% | Jun 30, 2022 |
| Q1 2022 | 54.4 | -1.43 | -2.56% | Mar 31, 2022 |
| Q4 2021 | 52.4 | -4.4 | -7.75% | Dec 31, 2021 |
| Q3 2021 | 52.5 | -3.63 | -6.47% | Sep 30, 2021 |
| Q2 2021 | 55.5 | +1.99 | +3.72% | Jun 30, 2021 |
| Q1 2021 | 55.8 | +0.76 | +1.38% | Mar 31, 2021 |
| Q4 2020 | 56.8 | +1.06 | +1.9% | Dec 31, 2020 |
| Q3 2020 | 56.1 | +1.31 | +2.39% | Sep 30, 2020 |
| Q2 2020 | 53.5 | 0 | 0% | Jun 30, 2020 |
| Q1 2020 | 55 | +4.07 | +7.99% | Mar 31, 2020 |
| Q4 2019 | 55.8 | +7.5 | +15.5% | Dec 31, 2019 |
| Q3 2019 | 54.8 | +6.2 | +12.8% | Sep 30, 2019 |
| Q2 2019 | 53.5 | +3.84 | +7.73% | Jun 30, 2019 |
| Q1 2019 | 51 | +0.72 | +1.43% | Mar 31, 2019 |
| Q4 2018 | 48.2 | -4.54 | -8.6% | Dec 31, 2018 |
| Q3 2018 | 48.6 | -4.89 | -9.14% | Sep 30, 2018 |
| Q2 2018 | 49.7 | -4.9 | -8.98% | Jun 30, 2018 |
| Q1 2018 | 50.3 | -5.59 | -10% | Mar 31, 2018 |
| Q4 2017 | 52.8 | -0.55 | -1.03% | Dec 31, 2017 |
| Q3 2017 | 53.5 | -0.8 | -1.47% | Sep 30, 2017 |
| Q2 2017 | 54.6 | -1.24 | -2.22% | Jun 30, 2017 |
| Q1 2017 | 55.8 | +0.42 | +0.76% | Mar 31, 2017 |
| Q4 2016 | 53.3 | -3.68 | -6.46% | Dec 31, 2016 |
| Q3 2016 | 54.3 | -0.1 | -0.18% | Sep 30, 2016 |
| Q2 2016 | 55.8 | +3.67 | +7.04% | Jun 30, 2016 |
| Q1 2016 | 55.4 | +3.33 | +6.39% | Mar 31, 2016 |
| Q4 2015 | 57 | +4.13 | +7.81% | Dec 31, 2015 |
| Q3 2015 | 54.4 | +0.53 | +0.98% | Sep 30, 2015 |
| Q2 2015 | 52.1 | -3.61 | -6.48% | Jun 30, 2015 |
| Q1 2015 | 52.1 | -2.96 | -5.38% | Mar 31, 2015 |
| Q4 2014 | 52.9 | -2.19 | -3.98% | Dec 31, 2014 |
| Q3 2014 | 53.9 | -2.15 | -3.84% | Sep 30, 2014 |
| Q2 2014 | 55.8 | -1.71 | -2.98% | Jun 30, 2014 |
| Q1 2014 | 55.1 | -4.72 | -7.9% | Mar 31, 2014 |
| Q4 2013 | 55.1 | -7.62 | -12.2% | Dec 31, 2013 |
| Q3 2013 | 56 | -9.19 | -14.1% | Sep 30, 2013 |
| Q2 2013 | 57.5 | -10.2 | -15% | Jun 30, 2013 |
| Q1 2013 | 59.8 | -8.62 | -12.6% | Mar 31, 2013 |
| Q4 2012 | 62.7 | Dec 31, 2012 | ||
| Q3 2012 | 65.2 | Sep 30, 2012 | ||
| Q2 2012 | 67.6 | Jun 30, 2012 | ||
| Q1 2012 | 68.4 | Mar 31, 2012 |