| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q3 2024 | 77.1 | -0.03 | -0.04% | Sep 30, 2024 |
| Q2 2024 | 76.6 | -2.6 | -3.28% | Jun 30, 2024 |
| Q1 2024 | 75 | -6.73 | -8.23% | Mar 31, 2024 |
| Q4 2023 | 75.2 | -8.7 | -10.4% | Dec 31, 2023 |
| Q3 2023 | 77.1 | -7.76 | -9.15% | Sep 30, 2023 |
| Q2 2023 | 79.2 | -6.18 | -7.24% | Jun 30, 2023 |
| Q1 2023 | 81.8 | -3.58 | -4.2% | Mar 31, 2023 |
| Q4 2022 | 83.9 | -2.27 | -2.63% | Dec 31, 2022 |
| Q3 2022 | 84.9 | -1.69 | -1.95% | Sep 30, 2022 |
| Q2 2022 | 85.4 | -1.05 | -1.21% | Jun 30, 2022 |
| Q1 2022 | 85.4 | -2.38 | -2.71% | Mar 31, 2022 |
| Q4 2021 | 86.2 | +1.74 | +2.06% | Dec 31, 2021 |
| Q3 2021 | 86.5 | +6.5 | +8.12% | Sep 30, 2021 |
| Q2 2021 | 86.5 | +11.2 | +14.8% | Jun 30, 2021 |
| Q1 2021 | 87.7 | +16.4 | +23% | Mar 31, 2021 |
| Q4 2020 | 84.4 | +12 | +16.5% | Dec 31, 2020 |
| Q3 2020 | 80 | +4.41 | +5.83% | Sep 30, 2020 |
| Q2 2020 | 75.3 | -4.56 | -5.71% | Jun 30, 2020 |
| Q1 2020 | 71.3 | -12.9 | -15.3% | Mar 31, 2020 |
| Q4 2019 | 72.5 | -16.5 | -18.5% | Dec 31, 2019 |
| Q3 2019 | 75.6 | -17.4 | -18.7% | Sep 30, 2019 |
| Q2 2019 | 79.9 | -15.3 | -16.1% | Jun 30, 2019 |
| Q1 2019 | 84.2 | -13 | -13.3% | Mar 31, 2019 |
| Q4 2018 | 89 | -8.87 | -9.07% | Dec 31, 2018 |
| Q3 2018 | 93 | -6.67 | -6.69% | Sep 30, 2018 |
| Q2 2018 | 95.2 | -7.96 | -7.72% | Jun 30, 2018 |
| Q1 2018 | 97.2 | -10.1 | -9.4% | Mar 31, 2018 |
| Q4 2017 | 97.8 | -15.5 | -13.7% | Dec 31, 2017 |
| Q3 2017 | 99.7 | -19 | -16% | Sep 30, 2017 |
| Q2 2017 | 103 | -22.2 | -17.7% | Jun 30, 2017 |
| Q1 2017 | 107 | -24.9 | -18.9% | Mar 31, 2017 |
| Q4 2016 | 113 | -38.1 | -25.2% | Dec 31, 2016 |
| Q3 2016 | 119 | -56.2 | -32.1% | Sep 30, 2016 |
| Q2 2016 | 125 | -75 | -37.4% | Jun 30, 2016 |
| Q1 2016 | 132 | -101 | -43.3% | Mar 31, 2016 |
| Q4 2015 | 151 | -121 | -44.4% | Dec 31, 2015 |
| Q3 2015 | 175 | -157 | -47.3% | Sep 30, 2015 |
| Q2 2015 | 200 | -208 | -51% | Jun 30, 2015 |
| Q1 2015 | 233 | -270 | -53.6% | Mar 31, 2015 |
| Q4 2014 | 272 | -277 | -50.4% | Dec 31, 2014 |
| Q3 2014 | 332 | -263 | -44.2% | Sep 30, 2014 |
| Q2 2014 | 409 | -191 | -31.8% | Jun 30, 2014 |
| Q1 2014 | 503 | -95.9 | -16% | Mar 31, 2014 |
| Q4 2013 | 549 | -34.8 | -5.96% | Dec 31, 2013 |
| Q3 2013 | 595 | +68.5 | +13% | Sep 30, 2013 |
| Q2 2013 | 599 | +98.3 | +19.6% | Jun 30, 2013 |
| Q1 2013 | 599 | +108 | +22.1% | Mar 31, 2013 |
| Q4 2012 | 584 | +67.5 | +13.1% | Dec 31, 2012 |
| Q3 2012 | 527 | -59.1 | -10.1% | Sep 30, 2012 |
| Q2 2012 | 501 | Jun 30, 2012 | ||
| Q1 2012 | 491 | Mar 31, 2012 | ||
| Q4 2011 | 516 | Dec 31, 2011 | ||
| Q3 2011 | 586 | Sep 30, 2011 |