| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q1 2024 | 77.3 | +4.87 | +6.73% | Mar 31, 2024 |
| Q4 2023 | 69.9 | +2.7 | +4.02% | Dec 31, 2023 |
| Q3 2023 | 67.4 | +6.84 | +11.3% | Sep 30, 2023 |
| Q2 2023 | 69.9 | +6.25 | +9.83% | Jun 30, 2023 |
| Q1 2023 | 72.4 | +6.67 | +10.1% | Mar 31, 2023 |
| Q4 2022 | 67.2 | -6.72 | -9.09% | Dec 31, 2022 |
| Q3 2022 | 60.5 | -17.6 | -22.6% | Sep 30, 2022 |
| Q2 2022 | 63.6 | -14.2 | -18.3% | Jun 30, 2022 |
| Q1 2022 | 65.7 | -12.1 | -15.5% | Mar 31, 2022 |
| Q4 2021 | 74 | -2.94 | -3.82% | Dec 31, 2021 |
| Q3 2021 | 78.1 | -7.4 | -8.65% | Sep 30, 2021 |
| Q2 2021 | 77.8 | -14.2 | -15.5% | Jun 30, 2021 |
| Q1 2021 | 77.8 | -15.5 | -16.6% | Mar 31, 2021 |
| Q4 2020 | 76.9 | -14.5 | -15.8% | Dec 31, 2020 |
| Q3 2020 | 85.5 | -0.07 | -0.08% | Sep 30, 2020 |
| Q2 2020 | 92.1 | +17.3 | +23.2% | Jun 30, 2020 |
| Q1 2020 | 93.3 | +31.9 | +51.9% | Mar 31, 2020 |
| Q4 2019 | 91.4 | +41 | +81.2% | Dec 31, 2019 |
| Q3 2019 | 85.6 | +41.7 | +95% | Sep 30, 2019 |
| Q2 2019 | 74.8 | +33.1 | +79.4% | Jun 30, 2019 |
| Q1 2019 | 61.4 | +10.5 | +20.6% | Mar 31, 2019 |
| Q4 2018 | 50.4 | -4.06 | -7.45% | Dec 31, 2018 |
| Q3 2018 | 43.9 | -10.1 | -18.7% | Sep 30, 2018 |
| Q2 2018 | 41.7 | -11.8 | -22% | Jun 30, 2018 |
| Q1 2018 | 50.9 | +0.24 | +0.47% | Mar 31, 2018 |
| Q4 2017 | 54.5 | -1.02 | -1.84% | Dec 31, 2017 |
| Q3 2017 | 54 | -5.21 | -8.8% | Sep 30, 2017 |
| Q2 2017 | 53.5 | -10.4 | -16.3% | Jun 30, 2017 |
| Q1 2017 | 50.6 | -8.31 | -14.1% | Mar 31, 2017 |
| Q4 2016 | 55.5 | -0.58 | -1.03% | Dec 31, 2016 |
| Q3 2016 | 59.2 | -0.74 | -1.24% | Sep 30, 2016 |
| Q2 2016 | 63.9 | +5.03 | +8.55% | Jun 30, 2016 |
| Q1 2016 | 59 | -2.75 | -4.46% | Mar 31, 2016 |
| Q4 2015 | 56.1 | -9.58 | -14.6% | Dec 31, 2015 |
| Q3 2015 | 59.9 | -8.16 | -12% | Sep 30, 2015 |
| Q2 2015 | 58.8 | -7.89 | -11.8% | Jun 30, 2015 |
| Q1 2015 | 61.7 | -6.35 | -9.33% | Mar 31, 2015 |
| Q4 2014 | 65.7 | -1.65 | -2.45% | Dec 31, 2014 |
| Q3 2014 | 68.1 | +6.78 | +11.1% | Sep 30, 2014 |
| Q2 2014 | 66.7 | -1.21 | -1.78% | Jun 30, 2014 |
| Q1 2014 | 68.1 | -0.49 | -0.72% | Mar 31, 2014 |
| Q4 2013 | 67.3 | -4.45 | -6.2% | Dec 31, 2013 |
| Q3 2013 | 61.3 | -10.6 | -14.7% | Sep 30, 2013 |
| Q2 2013 | 67.9 | -2.6 | -3.69% | Jun 30, 2013 |
| Q1 2013 | 68.5 | +0.14 | +0.21% | Mar 31, 2013 |
| Q4 2012 | 71.8 | Dec 31, 2012 | ||
| Q3 2012 | 71.9 | Sep 30, 2012 | ||
| Q2 2012 | 70.5 | Jun 30, 2012 | ||
| Q1 2012 | 68.4 | Mar 31, 2012 |