| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q3 2024 | 57.1 | -4.35 | -7.08% | Sep 30, 2024 |
| Q2 2024 | 57.6 | -5.35 | -8.5% | Jun 30, 2024 |
| Q1 2024 | 58.6 | -5.26 | -8.23% | Mar 31, 2024 |
| Q4 2023 | 60.1 | -3.08 | -4.88% | Dec 31, 2023 |
| Q3 2023 | 61.5 | -1.18 | -1.88% | Sep 30, 2023 |
| Q2 2023 | 62.9 | +3.76 | +6.36% | Jun 30, 2023 |
| Q1 2023 | 63.9 | +10.9 | +20.5% | Mar 31, 2023 |
| Q4 2022 | 63.2 | +11.7 | +22.8% | Dec 31, 2022 |
| Q3 2022 | 62.7 | +12.6 | +25.1% | Sep 30, 2022 |
| Q2 2022 | 59.2 | +8.33 | +16.4% | Jun 30, 2022 |
| Q1 2022 | 53 | -6.43 | -10.8% | Mar 31, 2022 |
| Q4 2021 | 51.4 | -13.4 | -20.7% | Dec 31, 2021 |
| Q3 2021 | 50.1 | -18.8 | -27.3% | Sep 30, 2021 |
| Q2 2021 | 50.8 | -22 | -30.2% | Jun 30, 2021 |
| Q1 2021 | 59.4 | -11.1 | -15.8% | Mar 31, 2021 |
| Q4 2020 | 64.9 | -4.04 | -5.87% | Dec 31, 2020 |
| Q3 2020 | 68.9 | +0.69 | +1.01% | Sep 30, 2020 |
| Q2 2020 | 72.8 | +7.09 | +10.8% | Jun 30, 2020 |
| Q1 2020 | 70.6 | +5.73 | +8.84% | Mar 31, 2020 |
| Q4 2019 | 68.9 | +5.63 | +8.9% | Dec 31, 2019 |
| Q3 2019 | 68.2 | +5.66 | +9.05% | Sep 30, 2019 |
| Q2 2019 | 65.7 | +2.37 | +3.74% | Jun 30, 2019 |
| Q1 2019 | 64.8 | +1.73 | +2.74% | Mar 31, 2019 |
| Q4 2018 | 63.3 | -0.26 | -0.41% | Dec 31, 2018 |
| Q3 2018 | 62.5 | -2.1 | -3.25% | Sep 30, 2018 |
| Q2 2018 | 63.3 | -2.97 | -4.48% | Jun 30, 2018 |
| Q1 2018 | 63.1 | -5.57 | -8.11% | Mar 31, 2018 |
| Q4 2017 | 63.5 | -9.94 | -13.5% | Dec 31, 2017 |
| Q3 2017 | 64.6 | -15.9 | -19.7% | Sep 30, 2017 |
| Q2 2017 | 66.3 | -13.6 | -17% | Jun 30, 2017 |
| Q1 2017 | 68.7 | -10.5 | -13.2% | Mar 31, 2017 |
| Q4 2016 | 73.5 | -3.47 | -4.51% | Dec 31, 2016 |
| Q3 2016 | 80.5 | +8.53 | +11.9% | Sep 30, 2016 |
| Q2 2016 | 79.9 | +10.8 | +15.6% | Jun 30, 2016 |
| Q1 2016 | 79.2 | +11.4 | +16.8% | Mar 31, 2016 |
| Q4 2015 | 76.9 | +10.3 | +15.5% | Dec 31, 2015 |
| Q3 2015 | 72 | +2.41 | +3.47% | Sep 30, 2015 |
| Q2 2015 | 69.1 | -3.88 | -5.32% | Jun 30, 2015 |
| Q1 2015 | 67.8 | -6.09 | -8.25% | Mar 31, 2015 |
| Q4 2014 | 66.6 | -9.09 | -12% | Dec 31, 2014 |
| Q3 2014 | 69.5 | -6.21 | -8.2% | Sep 30, 2014 |
| Q2 2014 | 73 | -3.26 | -4.28% | Jun 30, 2014 |
| Q1 2014 | 73.8 | -3.26 | -4.23% | Mar 31, 2014 |
| Q4 2013 | 75.7 | +0.97 | +1.3% | Dec 31, 2013 |
| Q3 2013 | 75.8 | +2.62 | +3.58% | Sep 30, 2013 |
| Q2 2013 | 76.2 | +3.15 | +4.31% | Jun 30, 2013 |
| Q1 2013 | 77.1 | +3.51 | +4.77% | Mar 31, 2013 |
| Q4 2012 | 74.7 | +1.73 | +2.37% | Dec 31, 2012 |
| Q3 2012 | 73.1 | +0.55 | +0.76% | Sep 30, 2012 |
| Q2 2012 | 73.1 | +0.53 | +0.73% | Jun 30, 2012 |
| Q1 2012 | 73.6 | +2.41 | +3.39% | Mar 31, 2012 |
| Q4 2011 | 73 | +1.3 | +1.81% | Dec 31, 2011 |
| Q3 2011 | 72.6 | Sep 30, 2011 | ||
| Q2 2011 | 72.5 | Jun 30, 2011 | ||
| Q1 2011 | 71.2 | Mar 31, 2011 | ||
| Q4 2010 | 71.7 | Dec 31, 2010 |