| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q3 2024 | 91.1 | -2.03 | -2.18% | Sep 30, 2024 |
| Q2 2024 | 92.2 | -0.03 | -0.03% | Jun 30, 2024 |
| Q1 2024 | 91.7 | -1.5 | -1.61% | Mar 31, 2024 |
| Q4 2023 | 92.9 | +0.49 | +0.53% | Dec 31, 2023 |
| Q3 2023 | 93.1 | +4.92 | +5.58% | Sep 30, 2023 |
| Q2 2023 | 92.2 | +8.28 | +9.87% | Jun 30, 2023 |
| Q1 2023 | 93.2 | +12.9 | +16.1% | Mar 31, 2023 |
| Q4 2022 | 92.4 | +14.9 | +19.2% | Dec 31, 2022 |
| Q3 2022 | 88.2 | +9.9 | +12.6% | Sep 30, 2022 |
| Q2 2022 | 83.9 | +5.63 | +7.19% | Jun 30, 2022 |
| Q1 2022 | 80.3 | +1.47 | +1.87% | Mar 31, 2022 |
| Q4 2021 | 77.5 | +1.4 | +1.84% | Dec 31, 2021 |
| Q3 2021 | 78.3 | +5.31 | +7.27% | Sep 30, 2021 |
| Q2 2021 | 78.3 | +6.23 | +8.65% | Jun 30, 2021 |
| Q1 2021 | 78.8 | +8.97 | +12.9% | Mar 31, 2021 |
| Q4 2020 | 76.1 | +5.98 | +8.53% | Dec 31, 2020 |
| Q3 2020 | 73 | +1.33 | +1.86% | Sep 30, 2020 |
| Q2 2020 | 72 | -0.41 | -0.57% | Jun 30, 2020 |
| Q1 2020 | 69.8 | -2.82 | -3.88% | Mar 31, 2020 |
| Q4 2019 | 70.1 | -2.77 | -3.8% | Dec 31, 2019 |
| Q3 2019 | 71.7 | -1.69 | -2.3% | Sep 30, 2019 |
| Q2 2019 | 72.5 | -0.4 | -0.55% | Jun 30, 2019 |
| Q1 2019 | 72.6 | -2.81 | -3.73% | Mar 31, 2019 |
| Q4 2018 | 72.9 | -5.54 | -7.07% | Dec 31, 2018 |
| Q3 2018 | 73.4 | -4.78 | -6.12% | Sep 30, 2018 |
| Q2 2018 | 72.9 | -5.79 | -7.36% | Jun 30, 2018 |
| Q1 2018 | 75.4 | -2.49 | -3.2% | Mar 31, 2018 |
| Q4 2017 | 78.4 | -0.84 | -1.06% | Dec 31, 2017 |
| Q3 2017 | 78.1 | -3 | -3.7% | Sep 30, 2017 |
| Q2 2017 | 78.6 | -5.11 | -6.1% | Jun 30, 2017 |
| Q1 2017 | 77.9 | -7.23 | -8.49% | Mar 31, 2017 |
| Q4 2016 | 79.2 | -4.02 | -4.83% | Dec 31, 2016 |
| Q3 2016 | 81.1 | -1.45 | -1.76% | Sep 30, 2016 |
| Q2 2016 | 83.8 | +4.81 | +6.09% | Jun 30, 2016 |
| Q1 2016 | 85.2 | +11.9 | +16.2% | Mar 31, 2016 |
| Q4 2015 | 83.3 | +11.7 | +16.4% | Dec 31, 2015 |
| Q3 2015 | 82.6 | +13.1 | +18.9% | Sep 30, 2015 |
| Q2 2015 | 79 | +11.5 | +17.1% | Jun 30, 2015 |
| Q1 2015 | 73.3 | +10.6 | +16.9% | Mar 31, 2015 |
| Q4 2014 | 71.6 | +9.44 | +15.2% | Dec 31, 2014 |
| Q3 2014 | 69.4 | +0.41 | +0.59% | Sep 30, 2014 |
| Q2 2014 | 67.4 | -10.9 | -13.9% | Jun 30, 2014 |
| Q1 2014 | 62.7 | -39.8 | -38.8% | Mar 31, 2014 |
| Q4 2013 | 62.1 | -57.7 | -48.2% | Dec 31, 2013 |
| Q3 2013 | 69 | -49.9 | -41.9% | Sep 30, 2013 |
| Q2 2013 | 78.3 | -40.4 | -34% | Jun 30, 2013 |
| Q1 2013 | 103 | -11.9 | -10.4% | Mar 31, 2013 |
| Q4 2012 | 120 | +19.8 | +19.8% | Dec 31, 2012 |
| Q3 2012 | 119 | +27.6 | +30.2% | Sep 30, 2012 |
| Q2 2012 | 119 | +35.7 | +43% | Jun 30, 2012 |
| Q1 2012 | 114 | +40.5 | +54.8% | Mar 31, 2012 |
| Q4 2011 | 100 | Dec 31, 2011 | ||
| Q3 2011 | 91.3 | Sep 30, 2011 | ||
| Q2 2011 | 83 | Jun 30, 2011 | ||
| Q1 2011 | 73.9 | Mar 31, 2011 |