| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q2 2024 | 60.2 | -1.54 | -2.49% | Jun 30, 2024 |
| Q1 2024 | 62.1 | +2.05 | +3.42% | Mar 31, 2024 |
| Q4 2023 | 63.7 | +4.63 | +7.84% | Dec 31, 2023 |
| Q3 2023 | 62.8 | +2.74 | +4.56% | Sep 30, 2023 |
| Q2 2023 | 61.7 | +1.1 | +1.81% | Jun 30, 2023 |
| Q1 2023 | 60 | -2.99 | -4.75% | Mar 31, 2023 |
| Q4 2022 | 59.1 | -6.27 | -9.6% | Dec 31, 2022 |
| Q3 2022 | 60.1 | -4.8 | -7.4% | Sep 30, 2022 |
| Q2 2022 | 60.6 | -5.18 | -7.87% | Jun 30, 2022 |
| Q1 2022 | 63 | -1.46 | -2.27% | Mar 31, 2022 |
| Q4 2021 | 65.3 | +5.96 | +10% | Dec 31, 2021 |
| Q3 2021 | 64.9 | +5.37 | +9.02% | Sep 30, 2021 |
| Q2 2021 | 65.8 | +5.5 | +9.12% | Jun 30, 2021 |
| Q1 2021 | 64.5 | +2.71 | +4.39% | Mar 31, 2021 |
| Q4 2020 | 59.4 | -7.32 | -11% | Dec 31, 2020 |
| Q3 2020 | 59.5 | -9.06 | -13.2% | Sep 30, 2020 |
| Q2 2020 | 60.3 | -9.62 | -13.8% | Jun 30, 2020 |
| Q1 2020 | 61.7 | -8.77 | -12.4% | Mar 31, 2020 |
| Q4 2019 | 66.7 | -5.74 | -7.93% | Dec 31, 2019 |
| Q3 2019 | 68.6 | -3.39 | -4.71% | Sep 30, 2019 |
| Q2 2019 | 69.9 | -1.41 | -1.98% | Jun 30, 2019 |
| Q1 2019 | 70.5 | -1.05 | -1.47% | Mar 31, 2019 |
| Q4 2018 | 72.4 | +3.66 | +5.32% | Dec 31, 2018 |
| Q3 2018 | 72 | +4.74 | +7.05% | Sep 30, 2018 |
| Q2 2018 | 71.3 | +7.39 | +11.6% | Jun 30, 2018 |
| Q1 2018 | 71.6 | +10.1 | +16.5% | Mar 31, 2018 |
| Q4 2017 | 68.8 | +7.92 | +13% | Dec 31, 2017 |
| Q3 2017 | 67.2 | +7.9 | +13.3% | Sep 30, 2017 |
| Q2 2017 | 63.9 | +5.76 | +9.9% | Jun 30, 2017 |
| Q1 2017 | 61.4 | +2.5 | +4.24% | Mar 31, 2017 |
| Q4 2016 | 60.8 | +2.57 | +4.41% | Dec 31, 2016 |
| Q3 2016 | 59.3 | +1.24 | +2.13% | Sep 30, 2016 |
| Q2 2016 | 58.2 | -1.38 | -2.32% | Jun 30, 2016 |
| Q1 2016 | 58.9 | -3.83 | -6.11% | Mar 31, 2016 |
| Q4 2015 | 58.3 | -10.9 | -15.7% | Dec 31, 2015 |
| Q3 2015 | 58.1 | -14.8 | -20.2% | Sep 30, 2015 |
| Q2 2015 | 59.6 | Jun 30, 2015 | ||
| Q1 2015 | 62.7 | Mar 31, 2015 | ||
| Q4 2014 | 69.2 | Dec 31, 2014 | ||
| Q3 2014 | 72.9 | Sep 30, 2014 |