| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q3 2024 | 88 | -6.41 | -6.79% | Sep 30, 2024 |
| Q2 2024 | 89.4 | -4.59 | -4.88% | Jun 30, 2024 |
| Q1 2024 | 91.8 | +0.27 | +0.3% | Mar 31, 2024 |
| Q4 2023 | 94 | +4.79 | +5.37% | Dec 31, 2023 |
| Q3 2023 | 94.4 | +7.48 | +8.6% | Sep 30, 2023 |
| Q2 2023 | 94 | +10.6 | +12.7% | Jun 30, 2023 |
| Q1 2023 | 91.5 | +10.5 | +13% | Mar 31, 2023 |
| Q4 2022 | 89.2 | +11 | +14.1% | Dec 31, 2022 |
| Q3 2022 | 87 | +9.79 | +12.7% | Sep 30, 2022 |
| Q2 2022 | 83.4 | +6.57 | +8.55% | Jun 30, 2022 |
| Q1 2022 | 81 | +4.03 | +5.24% | Mar 31, 2022 |
| Q4 2021 | 78.2 | -1.6 | -2.01% | Dec 31, 2021 |
| Q3 2021 | 77.2 | -4.98 | -6.06% | Sep 30, 2021 |
| Q2 2021 | 76.8 | -7.54 | -8.94% | Jun 30, 2021 |
| Q1 2021 | 77 | -8.03 | -9.45% | Mar 31, 2021 |
| Q4 2020 | 79.8 | -3.92 | -4.68% | Dec 31, 2020 |
| Q3 2020 | 82.1 | -0.21 | -0.26% | Sep 30, 2020 |
| Q2 2020 | 84.4 | +2.54 | +3.11% | Jun 30, 2020 |
| Q1 2020 | 85 | +3.55 | +4.36% | Mar 31, 2020 |
| Q4 2019 | 83.7 | +1.93 | +2.36% | Dec 31, 2019 |
| Q3 2019 | 82.4 | +1.84 | +2.29% | Sep 30, 2019 |
| Q2 2019 | 81.8 | +1.42 | +1.77% | Jun 30, 2019 |
| Q1 2019 | 81.4 | +0.51 | +0.63% | Mar 31, 2019 |
| Q4 2018 | 81.8 | +0.45 | +0.55% | Dec 31, 2018 |
| Q3 2018 | 80.5 | -3.64 | -4.33% | Sep 30, 2018 |
| Q2 2018 | 80.4 | -6.73 | -7.73% | Jun 30, 2018 |
| Q1 2018 | 80.9 | -6.78 | -7.73% | Mar 31, 2018 |
| Q4 2017 | 81.3 | -7.1 | -8.03% | Dec 31, 2017 |
| Q3 2017 | 84.1 | -3.08 | -3.53% | Sep 30, 2017 |
| Q2 2017 | 87.1 | +3.15 | +3.75% | Jun 30, 2017 |
| Q1 2017 | 87.7 | +4.17 | +4.99% | Mar 31, 2017 |
| Q4 2016 | 88.4 | +11.9 | +15.5% | Dec 31, 2016 |
| Q3 2016 | 87.2 | +16.4 | +23.1% | Sep 30, 2016 |
| Q2 2016 | 84 | +16.8 | +25% | Jun 30, 2016 |
| Q1 2016 | 83.5 | +21.7 | +35% | Mar 31, 2016 |
| Q4 2015 | 76.5 | +12.8 | +20% | Dec 31, 2015 |
| Q3 2015 | 70.8 | +2.78 | +4.09% | Sep 30, 2015 |
| Q2 2015 | 67.2 | -4.33 | -6.06% | Jun 30, 2015 |
| Q1 2015 | 61.9 | -15.3 | -19.8% | Mar 31, 2015 |
| Q4 2014 | 63.8 | -15 | -19% | Dec 31, 2014 |
| Q3 2014 | 68.1 | -11.9 | -14.9% | Sep 30, 2014 |
| Q2 2014 | 71.5 | -10.6 | -12.9% | Jun 30, 2014 |
| Q1 2014 | 77.2 | -9.42 | -10.9% | Mar 31, 2014 |
| Q4 2013 | 78.8 | -11.8 | -13.1% | Dec 31, 2013 |
| Q3 2013 | 80 | -15.3 | -16% | Sep 30, 2013 |
| Q2 2013 | 82.1 | -6.9 | -7.75% | Jun 30, 2013 |
| Q1 2013 | 86.6 | +1.71 | +2.01% | Mar 31, 2013 |
| Q4 2012 | 90.6 | +13.6 | +17.7% | Dec 31, 2012 |
| Q3 2012 | 95.2 | +27.5 | +40.5% | Sep 30, 2012 |
| Q2 2012 | 89 | +21.5 | +31.9% | Jun 30, 2012 |
| Q1 2012 | 84.9 | +20.4 | +31.7% | Mar 31, 2012 |
| Q4 2011 | 77 | Dec 31, 2011 | ||
| Q3 2011 | 67.8 | Sep 30, 2011 | ||
| Q2 2011 | 67.5 | Jun 30, 2011 | ||
| Q1 2011 | 64.5 | Mar 31, 2011 |