| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q3 2024 | 69.1 | -0.3 | -0.43% | Sep 30, 2024 |
| Q2 2024 | 69.2 | +0.84 | +1.23% | Jun 30, 2024 |
| Q1 2024 | 69.4 | +3.37 | +5.11% | Mar 31, 2024 |
| Q4 2023 | 69.4 | +5.41 | +8.46% | Dec 31, 2023 |
| Q3 2023 | 69.4 | +7.98 | +13% | Sep 30, 2023 |
| Q2 2023 | 68.3 | +7.74 | +12.8% | Jun 30, 2023 |
| Q1 2023 | 66 | +5.68 | +9.42% | Mar 31, 2023 |
| Q4 2022 | 64 | +3.22 | +5.3% | Dec 31, 2022 |
| Q3 2022 | 61.4 | -0.09 | -0.15% | Sep 30, 2022 |
| Q2 2022 | 60.6 | -1.36 | -2.2% | Jun 30, 2022 |
| Q1 2022 | 60.3 | -2.37 | -3.78% | Mar 31, 2022 |
| Q4 2021 | 60.8 | -0.64 | -1.04% | Dec 31, 2021 |
| Q3 2021 | 61.5 | +1.21 | +2.01% | Sep 30, 2021 |
| Q2 2021 | 61.9 | +2.05 | +3.42% | Jun 30, 2021 |
| Q1 2021 | 62.7 | +2.92 | +4.89% | Mar 31, 2021 |
| Q4 2020 | 61.4 | +0.99 | +1.64% | Dec 31, 2020 |
| Q3 2020 | 60.3 | -0.67 | -1.1% | Sep 30, 2020 |
| Q2 2020 | 59.9 | +1.32 | +2.25% | Jun 30, 2020 |
| Q1 2020 | 59.8 | -0.39 | -0.65% | Mar 31, 2020 |
| Q4 2019 | 60.4 | -0.06 | -0.1% | Dec 31, 2019 |
| Q3 2019 | 61 | -0.87 | -1.41% | Sep 30, 2019 |
| Q2 2019 | 58.6 | -6.31 | -9.73% | Jun 30, 2019 |
| Q1 2019 | 60.2 | -2.6 | -4.14% | Mar 31, 2019 |
| Q4 2018 | 60.5 | -1.18 | -1.91% | Dec 31, 2018 |
| Q3 2018 | 61.9 | +3.55 | +6.09% | Sep 30, 2018 |
| Q2 2018 | 64.9 | +9.42 | +17% | Jun 30, 2018 |
| Q1 2018 | 62.8 | +10.5 | +20.1% | Mar 31, 2018 |
| Q4 2017 | 61.7 | +11.6 | +23.1% | Dec 31, 2017 |
| Q3 2017 | 58.3 | +9.69 | +19.9% | Sep 30, 2017 |
| Q2 2017 | 55.4 | +8 | +16.9% | Jun 30, 2017 |
| Q1 2017 | 52.3 | +6.29 | +13.7% | Mar 31, 2017 |
| Q4 2016 | 50.1 | +5.1 | +11.3% | Dec 31, 2016 |
| Q3 2016 | 48.6 | +5.05 | +11.6% | Sep 30, 2016 |
| Q2 2016 | 47.4 | +4.64 | +10.8% | Jun 30, 2016 |
| Q1 2016 | 46 | +2.91 | +6.76% | Mar 31, 2016 |
| Q4 2015 | 45 | +2.76 | +6.54% | Dec 31, 2015 |
| Q3 2015 | 43.6 | +0.83 | +1.94% | Sep 30, 2015 |
| Q2 2015 | 42.8 | -0.8 | -1.84% | Jun 30, 2015 |
| Q1 2015 | 43.1 | -0.46 | -1.06% | Mar 31, 2015 |
| Q4 2014 | 42.2 | -4.7 | -10% | Dec 31, 2014 |
| Q3 2014 | 42.7 | -6.18 | -12.6% | Sep 30, 2014 |
| Q2 2014 | 43.6 | -8.95 | -17% | Jun 30, 2014 |
| Q1 2014 | 43.5 | -11.8 | -21.3% | Mar 31, 2014 |
| Q4 2013 | 46.9 | -8.05 | -14.6% | Dec 31, 2013 |
| Q3 2013 | 48.9 | -6.41 | -11.6% | Sep 30, 2013 |
| Q2 2013 | 52.5 | -1.31 | -2.43% | Jun 30, 2013 |
| Q1 2013 | 55.3 | -0.13 | -0.24% | Mar 31, 2013 |
| Q4 2012 | 55 | Dec 31, 2012 | ||
| Q3 2012 | 55.3 | Sep 30, 2012 | ||
| Q2 2012 | 53.9 | Jun 30, 2012 | ||
| Q1 2012 | 55.4 | Mar 31, 2012 |