| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q3 2024 | 70.6 | +9.34 | +15.2% | Sep 30, 2024 |
| Q2 2024 | 68.5 | +8.57 | +14.3% | Jun 30, 2024 |
| Q1 2024 | 66 | +5.66 | +9.38% | Mar 31, 2024 |
| Q4 2023 | 63.3 | +0.69 | +1.1% | Dec 31, 2023 |
| Q3 2023 | 61.3 | -4.23 | -6.46% | Sep 30, 2023 |
| Q2 2023 | 59.9 | -6.92 | -10.4% | Jun 30, 2023 |
| Q1 2023 | 60.3 | -7.49 | -11% | Mar 31, 2023 |
| Q4 2022 | 62.6 | -5.76 | -8.42% | Dec 31, 2022 |
| Q3 2022 | 65.5 | -5.41 | -7.63% | Sep 30, 2022 |
| Q2 2022 | 66.8 | -9.13 | -12% | Jun 30, 2022 |
| Q1 2022 | 67.8 | -12.1 | -15.1% | Mar 31, 2022 |
| Q4 2021 | 68.4 | -14.5 | -17.5% | Dec 31, 2021 |
| Q3 2021 | 70.9 | -8.45 | -10.6% | Sep 30, 2021 |
| Q2 2021 | 76 | -0.04 | -0.05% | Jun 30, 2021 |
| Q1 2021 | 79.9 | +6.56 | +8.94% | Mar 31, 2021 |
| Q4 2020 | 82.9 | +10.8 | +15% | Dec 31, 2020 |
| Q3 2020 | 79.4 | +3.37 | +4.43% | Sep 30, 2020 |
| Q2 2020 | 76 | -1.89 | -2.43% | Jun 30, 2020 |
| Q1 2020 | 73.4 | -6.44 | -8.07% | Mar 31, 2020 |
| Q4 2019 | 72.1 | -10.9 | -13.1% | Dec 31, 2019 |
| Q3 2019 | 76 | -11.3 | -12.9% | Sep 30, 2019 |
| Q2 2019 | 77.9 | -12.2 | -13.5% | Jun 30, 2019 |
| Q1 2019 | 79.8 | -11.4 | -12.5% | Mar 31, 2019 |
| Q4 2018 | 83 | -7.76 | -8.55% | Dec 31, 2018 |
| Q3 2018 | 87.3 | -1.91 | -2.14% | Sep 30, 2018 |
| Q2 2018 | 90.1 | -3.74 | -3.99% | Jun 30, 2018 |
| Q1 2018 | 91.2 | -8.2 | -8.25% | Mar 31, 2018 |
| Q4 2017 | 90.7 | -13.7 | -13.1% | Dec 31, 2017 |
| Q3 2017 | 89.2 | -21.1 | -19.1% | Sep 30, 2017 |
| Q2 2017 | 93.8 | -17.6 | -15.8% | Jun 30, 2017 |
| Q1 2017 | 99.4 | -9.55 | -8.77% | Mar 31, 2017 |
| Q4 2016 | 104 | -1.9 | -1.79% | Dec 31, 2016 |
| Q3 2016 | 110 | +8.25 | +8.08% | Sep 30, 2016 |
| Q2 2016 | 111 | +14.8 | +15.4% | Jun 30, 2016 |
| Q1 2016 | 109 | +13.8 | +14.5% | Mar 31, 2016 |
| Q4 2015 | 106 | +13.9 | +15% | Dec 31, 2015 |
| Q3 2015 | 102 | +11.6 | +12.9% | Sep 30, 2015 |
| Q2 2015 | 96.6 | +9.08 | +10.4% | Jun 30, 2015 |
| Q1 2015 | 95.2 | +11.2 | +13.3% | Mar 31, 2015 |
| Q4 2014 | 92.4 | +8.31 | +9.88% | Dec 31, 2014 |
| Q3 2014 | 90.4 | +4.69 | +5.47% | Sep 30, 2014 |
| Q2 2014 | 87.5 | -2.8 | -3.1% | Jun 30, 2014 |
| Q1 2014 | 84 | -8.75 | -9.44% | Mar 31, 2014 |
| Q4 2013 | 84.1 | -7.95 | -8.64% | Dec 31, 2013 |
| Q3 2013 | 85.7 | -1.4 | -1.61% | Sep 30, 2013 |
| Q2 2013 | 90.3 | +6.49 | +7.75% | Jun 30, 2013 |
| Q1 2013 | 92.7 | +10.7 | +13% | Mar 31, 2013 |
| Q4 2012 | 92 | +10.6 | +13% | Dec 31, 2012 |
| Q3 2012 | 87.1 | +5.47 | +6.7% | Sep 30, 2012 |
| Q2 2012 | 83.8 | +4.3 | +5.41% | Jun 30, 2012 |
| Q1 2012 | 82 | +3.32 | +4.22% | Mar 31, 2012 |
| Q4 2011 | 81.4 | +0.78 | +0.97% | Dec 31, 2011 |
| Q3 2011 | 81.7 | Sep 30, 2011 | ||
| Q2 2011 | 79.5 | Jun 30, 2011 | ||
| Q1 2011 | 78.7 | Mar 31, 2011 | ||
| Q4 2010 | 80.6 | Dec 31, 2010 |