| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q4 2023 | 78.2 | +1.9 | +2.49% | Dec 31, 2023 |
| Q3 2023 | 76 | -1.29 | -1.67% | Sep 30, 2023 |
| Q2 2023 | 75.3 | +1.84 | +2.51% | Jun 30, 2023 |
| Q1 2023 | 74.7 | +6.28 | +9.18% | Mar 31, 2023 |
| Q4 2022 | 76.3 | +11.8 | +18.4% | Dec 31, 2022 |
| Q3 2022 | 77.3 | +16.5 | +27.2% | Sep 30, 2022 |
| Q2 2022 | 73.4 | +12.9 | +21.3% | Jun 30, 2022 |
| Q1 2022 | 68.4 | +7.68 | +12.6% | Mar 31, 2022 |
| Q4 2021 | 64.5 | +3.29 | +5.38% | Dec 31, 2021 |
| Q3 2021 | 60.8 | -3.37 | -5.25% | Sep 30, 2021 |
| Q2 2021 | 60.5 | -6.95 | -10.3% | Jun 30, 2021 |
| Q1 2021 | 60.7 | -10.6 | -14.8% | Mar 31, 2021 |
| Q4 2020 | 61.2 | -12.7 | -17.2% | Dec 31, 2020 |
| Q3 2020 | 64.2 | -8.16 | -11.3% | Sep 30, 2020 |
| Q2 2020 | 67.5 | -3.43 | -4.84% | Jun 30, 2020 |
| Q1 2020 | 71.3 | +1.17 | +1.67% | Mar 31, 2020 |
| Q4 2019 | 73.9 | +4.4 | +6.34% | Dec 31, 2019 |
| Q3 2019 | 72.3 | +4.21 | +6.18% | Sep 30, 2019 |
| Q2 2019 | 70.9 | +6.81 | +10.6% | Jun 30, 2019 |
| Q1 2019 | 70.1 | +5.62 | +8.71% | Mar 31, 2019 |
| Q4 2018 | 69.5 | +8.64 | +14.2% | Dec 31, 2018 |
| Q3 2018 | 68.1 | +8.25 | +13.8% | Sep 30, 2018 |
| Q2 2018 | 64.1 | +3.84 | +6.37% | Jun 30, 2018 |
| Q1 2018 | 64.5 | +12.4 | +23.8% | Mar 31, 2018 |
| Q4 2017 | 60.8 | +13.1 | +27.4% | Dec 31, 2017 |
| Q3 2017 | 59.9 | +15.6 | +35.2% | Sep 30, 2017 |
| Q2 2017 | 60.3 | +13.2 | +28% | Jun 30, 2017 |
| Q1 2017 | 52.1 | +4.06 | +8.45% | Mar 31, 2017 |
| Q4 2016 | 47.7 | -0.02 | -0.04% | Dec 31, 2016 |
| Q3 2016 | 44.3 | -1.46 | -3.19% | Sep 30, 2016 |
| Q2 2016 | 47.1 | +12.1 | +34.4% | Jun 30, 2016 |
| Q1 2016 | 48.1 | +15.8 | +48.8% | Mar 31, 2016 |
| Q4 2015 | 47.8 | +3.79 | +8.62% | Dec 31, 2015 |
| Q3 2015 | 45.7 | +5.48 | +13.6% | Sep 30, 2015 |
| Q2 2015 | 35 | -10.1 | -22.4% | Jun 30, 2015 |
| Q1 2015 | 32.3 | Mar 31, 2015 | ||
| Q4 2014 | 44 | Dec 31, 2014 | ||
| Q3 2014 | 40.3 | Sep 30, 2014 | ||
| Q2 2014 | 45.2 | Jun 30, 2014 |