| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q3 2024 | 64.7 | -5.42 | -7.73% | Sep 30, 2024 |
| Q2 2024 | 65.2 | -6.76 | -9.39% | Jun 30, 2024 |
| Q1 2024 | 65.7 | -8.84 | -11.9% | Mar 31, 2024 |
| Q4 2023 | 67 | -8 | -10.7% | Dec 31, 2023 |
| Q3 2023 | 70.2 | -4.37 | -5.86% | Sep 30, 2023 |
| Q2 2023 | 72 | -2.37 | -3.19% | Jun 30, 2023 |
| Q1 2023 | 74.5 | +3.07 | +4.3% | Mar 31, 2023 |
| Q4 2022 | 75 | +6.91 | +10.2% | Dec 31, 2022 |
| Q3 2022 | 74.5 | +10.3 | +16% | Sep 30, 2022 |
| Q2 2022 | 74.4 | +13 | +21.1% | Jun 30, 2022 |
| Q1 2022 | 71.4 | +7.67 | +12% | Mar 31, 2022 |
| Q4 2021 | 68.1 | +1.66 | +2.5% | Dec 31, 2021 |
| Q3 2021 | 64.3 | -6.53 | -9.23% | Sep 30, 2021 |
| Q2 2021 | 61.4 | -12.3 | -16.7% | Jun 30, 2021 |
| Q1 2021 | 63.8 | -7.07 | -9.98% | Mar 31, 2021 |
| Q4 2020 | 66.4 | -4.15 | -5.88% | Dec 31, 2020 |
| Q3 2020 | 70.8 | +3.09 | +4.56% | Sep 30, 2020 |
| Q2 2020 | 73.7 | +8.27 | +12.6% | Jun 30, 2020 |
| Q1 2020 | 70.9 | +5.57 | +8.53% | Mar 31, 2020 |
| Q4 2019 | 70.5 | +3.85 | +5.77% | Dec 31, 2019 |
| Q3 2019 | 67.7 | -0.68 | -1% | Sep 30, 2019 |
| Q2 2019 | 65.4 | -6.73 | -9.33% | Jun 30, 2019 |
| Q1 2019 | 65.3 | -7.12 | -9.84% | Mar 31, 2019 |
| Q4 2018 | 66.7 | -5.08 | -7.08% | Dec 31, 2018 |
| Q3 2018 | 68.4 | +1.6 | +2.4% | Sep 30, 2018 |
| Q2 2018 | 72.1 | +11.3 | +18.5% | Jun 30, 2018 |
| Q1 2018 | 72.4 | +17.2 | +31.1% | Mar 31, 2018 |
| Q4 2017 | 71.8 | +21.4 | +42.4% | Dec 31, 2017 |
| Q3 2017 | 66.8 | +15.9 | +31.3% | Sep 30, 2017 |
| Q2 2017 | 60.9 | +10.2 | +20.1% | Jun 30, 2017 |
| Q1 2017 | 55.2 | +3.06 | +5.87% | Mar 31, 2017 |
| Q4 2016 | 50.4 | -3.52 | -6.53% | Dec 31, 2016 |
| Q3 2016 | 50.8 | -1.77 | -3.36% | Sep 30, 2016 |
| Q2 2016 | 50.7 | -0.98 | -1.9% | Jun 30, 2016 |
| Q1 2016 | 52.2 | +2.45 | +4.93% | Mar 31, 2016 |
| Q4 2015 | 53.9 | +7.13 | +15.2% | Dec 31, 2015 |
| Q3 2015 | 52.6 | +8.44 | +19.1% | Sep 30, 2015 |
| Q2 2015 | 51.7 | +8.48 | +19.6% | Jun 30, 2015 |
| Q1 2015 | 49.7 | +7.15 | +16.8% | Mar 31, 2015 |
| Q4 2014 | 46.8 | +4.02 | +9.4% | Dec 31, 2014 |
| Q3 2014 | 44.2 | +0.47 | +1.08% | Sep 30, 2014 |
| Q2 2014 | 43.2 | +1.24 | +2.96% | Jun 30, 2014 |
| Q1 2014 | 42.6 | +0.86 | +2.06% | Mar 31, 2014 |
| Q4 2013 | 42.8 | +1.02 | +2.44% | Dec 31, 2013 |
| Q3 2013 | 43.7 | +3.04 | +7.48% | Sep 30, 2013 |
| Q2 2013 | 42 | +0.34 | +0.82% | Jun 30, 2013 |
| Q1 2013 | 41.7 | -0.04 | -0.1% | Mar 31, 2013 |
| Q4 2012 | 41.7 | Dec 31, 2012 | ||
| Q3 2012 | 40.7 | Sep 30, 2012 | ||
| Q2 2012 | 41.6 | Jun 30, 2012 | ||
| Q1 2012 | 41.7 | Mar 31, 2012 |