| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q3 2024 | 60 | -21.4 | -26.3% | Sep 30, 2024 |
| Q2 2024 | 64.2 | -19.9 | -23.7% | Jun 30, 2024 |
| Q1 2024 | 71.4 | -14 | -16.4% | Mar 31, 2024 |
| Q4 2023 | 78 | -9.49 | -10.8% | Dec 31, 2023 |
| Q3 2023 | 81.4 | -8.51 | -9.47% | Sep 30, 2023 |
| Q2 2023 | 84.1 | -6.4 | -7.07% | Jun 30, 2023 |
| Q1 2023 | 85.5 | -5.96 | -6.52% | Mar 31, 2023 |
| Q4 2022 | 87.5 | -6.25 | -6.67% | Dec 31, 2022 |
| Q3 2022 | 89.9 | -5.27 | -5.54% | Sep 30, 2022 |
| Q2 2022 | 90.5 | -5.71 | -5.93% | Jun 30, 2022 |
| Q1 2022 | 91.4 | -6.13 | -6.29% | Mar 31, 2022 |
| Q4 2021 | 93.8 | -2.45 | -2.55% | Dec 31, 2021 |
| Q3 2021 | 95.2 | -3.48 | -3.53% | Sep 30, 2021 |
| Q2 2021 | 96.2 | -3.63 | -3.64% | Jun 30, 2021 |
| Q1 2021 | 97.5 | -5.3 | -5.15% | Mar 31, 2021 |
| Q4 2020 | 96.2 | -6.27 | -6.12% | Dec 31, 2020 |
| Q3 2020 | 98.7 | -1.94 | -1.93% | Sep 30, 2020 |
| Q2 2020 | 99.9 | -1.39 | -1.37% | Jun 30, 2020 |
| Q1 2020 | 103 | +7.79 | +8.2% | Mar 31, 2020 |
| Q4 2019 | 103 | +9.78 | +10.5% | Dec 31, 2019 |
| Q3 2019 | 101 | +10.5 | +11.6% | Sep 30, 2019 |
| Q2 2019 | 101 | +15.3 | +17.8% | Jun 30, 2019 |
| Q1 2019 | 95.1 | +10 | +11.8% | Mar 31, 2019 |
| Q4 2018 | 92.7 | +7.87 | +9.28% | Dec 31, 2018 |
| Q3 2018 | 90.1 | +4.91 | +5.76% | Sep 30, 2018 |
| Q2 2018 | 86 | -1.95 | -2.22% | Jun 30, 2018 |
| Q1 2018 | 85 | -6 | -6.59% | Mar 31, 2018 |
| Q4 2017 | 84.9 | -8.83 | -9.43% | Dec 31, 2017 |
| Q3 2017 | 85.2 | -9.64 | -10.2% | Sep 30, 2017 |
| Q2 2017 | 87.9 | -3.65 | -3.99% | Jun 30, 2017 |
| Q1 2017 | 91 | +2.46 | +2.78% | Mar 31, 2017 |
| Q4 2016 | 93.7 | +8.8 | +10.4% | Dec 31, 2016 |
| Q3 2016 | 94.9 | +11.8 | +14.2% | Sep 30, 2016 |
| Q2 2016 | 91.6 | +8.53 | +10.3% | Jun 30, 2016 |
| Q1 2016 | 88.6 | +3.81 | +4.5% | Mar 31, 2016 |
| Q4 2015 | 84.9 | -5.27 | -5.85% | Dec 31, 2015 |
| Q3 2015 | 83 | -10.2 | -10.9% | Sep 30, 2015 |
| Q2 2015 | 83.1 | -13.8 | -14.2% | Jun 30, 2015 |
| Q1 2015 | 84.7 | -11.2 | -11.7% | Mar 31, 2015 |
| Q4 2014 | 90.2 | -5.53 | -5.78% | Dec 31, 2014 |
| Q3 2014 | 93.2 | +0.35 | +0.38% | Sep 30, 2014 |
| Q2 2014 | 96.8 | +9.26 | +10.6% | Jun 30, 2014 |
| Q1 2014 | 95.9 | +5.49 | +6.07% | Mar 31, 2014 |
| Q4 2013 | 95.7 | +9.24 | +10.7% | Dec 31, 2013 |
| Q3 2013 | 92.9 | +2.43 | +2.69% | Sep 30, 2013 |
| Q2 2013 | 87.6 | -12.3 | -12.3% | Jun 30, 2013 |
| Q1 2013 | 90.5 | -9.72 | -9.7% | Mar 31, 2013 |
| Q4 2012 | 86.4 | -17.4 | -16.8% | Dec 31, 2012 |
| Q3 2012 | 90.5 | -12.3 | -11.9% | Sep 30, 2012 |
| Q2 2012 | 99.8 | +1.42 | +1.44% | Jun 30, 2012 |
| Q1 2012 | 100 | +4.72 | +4.95% | Mar 31, 2012 |
| Q4 2011 | 104 | Dec 31, 2011 | ||
| Q3 2011 | 103 | Sep 30, 2011 | ||
| Q2 2011 | 98.4 | Jun 30, 2011 | ||
| Q1 2011 | 95.5 | Mar 31, 2011 |