| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q4 2024 | 88.6 | +9.47 | +12% | Dec 31, 2024 |
| Q3 2024 | 85.2 | +4.57 | +5.67% | Sep 30, 2024 |
| Q2 2024 | 80.9 | -2.53 | -3.03% | Jun 30, 2024 |
| Q1 2024 | 78.7 | -5 | -5.97% | Mar 31, 2024 |
| Q4 2023 | 79.1 | -4.91 | -5.84% | Dec 31, 2023 |
| Q3 2023 | 80.7 | -4.09 | -4.83% | Sep 30, 2023 |
| Q2 2023 | 83.5 | -1.9 | -2.23% | Jun 30, 2023 |
| Q1 2023 | 83.8 | -4.27 | -4.85% | Mar 31, 2023 |
| Q4 2022 | 84 | -6.02 | -6.69% | Dec 31, 2022 |
| Q3 2022 | 84.8 | -5.36 | -5.95% | Sep 30, 2022 |
| Q2 2022 | 85.4 | -3.58 | -4.03% | Jun 30, 2022 |
| Q1 2022 | 88 | -0.22 | -0.25% | Mar 31, 2022 |
| Q4 2021 | 90.1 | +3.92 | +4.55% | Dec 31, 2021 |
| Q3 2021 | 90.1 | +5.64 | +6.68% | Sep 30, 2021 |
| Q2 2021 | 89 | +5.66 | +6.8% | Jun 30, 2021 |
| Q1 2021 | 88.2 | +4.43 | +5.29% | Mar 31, 2021 |
| Q4 2020 | 86.1 | +1.15 | +1.35% | Dec 31, 2020 |
| Q3 2020 | 84.5 | -3.7 | -4.2% | Sep 30, 2020 |
| Q2 2020 | 83.3 | -7.75 | -8.51% | Jun 30, 2020 |
| Q1 2020 | 83.8 | -10.3 | -11% | Mar 31, 2020 |
| Q4 2019 | 85 | -11.5 | -11.9% | Dec 31, 2019 |
| Q3 2019 | 88.2 | -8.96 | -9.22% | Sep 30, 2019 |
| Q2 2019 | 91 | -6.72 | -6.87% | Jun 30, 2019 |
| Q1 2019 | 94.1 | -2.56 | -2.65% | Mar 31, 2019 |
| Q4 2018 | 96.5 | +0.19 | +0.2% | Dec 31, 2018 |
| Q3 2018 | 97.1 | -0.06 | -0.06% | Sep 30, 2018 |
| Q2 2018 | 97.8 | +11.6 | +13.4% | Jun 30, 2018 |
| Q1 2018 | 96.7 | +19.4 | +25.1% | Mar 31, 2018 |
| Q4 2017 | 96.3 | +26.3 | +37.6% | Dec 31, 2017 |
| Q3 2017 | 97.2 | +27.7 | +39.8% | Sep 30, 2017 |
| Q2 2017 | 86.2 | +16.7 | +23.9% | Jun 30, 2017 |
| Q1 2017 | 77.3 | -2.46 | -3.08% | Mar 31, 2017 |
| Q4 2016 | 70 | -25.5 | -26.7% | Dec 31, 2016 |
| Q3 2016 | 69.5 | -32.3 | -31.7% | Sep 30, 2016 |
| Q2 2016 | 69.6 | -52 | -42.8% | Jun 30, 2016 |
| Q1 2016 | 79.8 | -54.1 | -40.4% | Mar 31, 2016 |
| Q4 2015 | 95.5 | -49.3 | -34% | Dec 31, 2015 |
| Q3 2015 | 102 | -53.7 | -34.5% | Sep 30, 2015 |
| Q2 2015 | 122 | -49.9 | -29.1% | Jun 30, 2015 |
| Q1 2015 | 134 | -41.7 | -23.8% | Mar 31, 2015 |
| Q4 2014 | 145 | -30.5 | -17.4% | Dec 31, 2014 |
| Q3 2014 | 156 | -19.2 | -11% | Sep 30, 2014 |
| Q2 2014 | 171 | -4.32 | -2.46% | Jun 30, 2014 |
| Q1 2014 | 176 | -1.22 | -0.69% | Mar 31, 2014 |
| Q4 2013 | 175 | -6.79 | -3.73% | Dec 31, 2013 |
| Q3 2013 | 175 | -1.04 | -0.59% | Sep 30, 2013 |
| Q2 2013 | 176 | +6.86 | +4.06% | Jun 30, 2013 |
| Q1 2013 | 177 | +9.01 | +5.37% | Mar 31, 2013 |
| Q4 2012 | 182 | Dec 31, 2012 | ||
| Q3 2012 | 176 | Sep 30, 2012 | ||
| Q2 2012 | 169 | Jun 30, 2012 | ||
| Q1 2012 | 168 | Mar 31, 2012 |