| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q1 2024 | 88.8 | +16.3 | +22.5% | Mar 31, 2024 |
| Q4 2023 | 86.9 | +18.2 | +26.4% | Dec 31, 2023 |
| Q3 2023 | 83.4 | +14.8 | +21.5% | Sep 30, 2023 |
| Q2 2023 | 78.4 | +7.81 | +11.1% | Jun 30, 2023 |
| Q1 2023 | 72.5 | -1.88 | -2.53% | Mar 31, 2023 |
| Q4 2022 | 68.8 | -6.08 | -8.13% | Dec 31, 2022 |
| Q3 2022 | 68.6 | -6.43 | -8.57% | Sep 30, 2022 |
| Q2 2022 | 70.6 | -4.83 | -6.4% | Jun 30, 2022 |
| Q1 2022 | 74.4 | +0.86 | +1.17% | Mar 31, 2022 |
| Q4 2021 | 74.8 | +1.5 | +2.05% | Dec 31, 2021 |
| Q3 2021 | 75.1 | +4 | +5.63% | Sep 30, 2021 |
| Q2 2021 | 75.5 | +5.95 | +8.56% | Jun 30, 2021 |
| Q1 2021 | 73.5 | +4.35 | +6.29% | Mar 31, 2021 |
| Q4 2020 | 73.3 | +4.98 | +7.29% | Dec 31, 2020 |
| Q3 2020 | 71.1 | +3.16 | +4.65% | Sep 30, 2020 |
| Q2 2020 | 69.5 | +2.06 | +3.06% | Jun 30, 2020 |
| Q1 2020 | 69.2 | +2.75 | +4.14% | Mar 31, 2020 |
| Q4 2019 | 68.4 | +0.21 | +0.31% | Dec 31, 2019 |
| Q3 2019 | 67.9 | -6.12 | -8.27% | Sep 30, 2019 |
| Q2 2019 | 67.4 | -8.17 | -10.8% | Jun 30, 2019 |
| Q1 2019 | 66.4 | -12.5 | -15.9% | Mar 31, 2019 |
| Q4 2018 | 68.1 | -24.3 | -26.3% | Dec 31, 2018 |
| Q3 2018 | 74 | -18.6 | -20.1% | Sep 30, 2018 |
| Q2 2018 | 75.6 | -23.4 | -23.6% | Jun 30, 2018 |
| Q1 2018 | 78.9 | -25.7 | -24.5% | Mar 31, 2018 |
| Q4 2017 | 92.4 | +2.41 | +2.68% | Dec 31, 2017 |
| Q3 2017 | 92.6 | +4.05 | +4.57% | Sep 30, 2017 |
| Q2 2017 | 99 | +10.9 | +12.3% | Jun 30, 2017 |
| Q1 2017 | 105 | +16.6 | +18.9% | Mar 31, 2017 |
| Q4 2016 | 90 | +7.67 | +9.31% | Dec 31, 2016 |
| Q3 2016 | 88.6 | +5.33 | +6.4% | Sep 30, 2016 |
| Q2 2016 | 88.1 | +8.84 | +11.1% | Jun 30, 2016 |
| Q1 2016 | 88 | +12.6 | +16.7% | Mar 31, 2016 |
| Q4 2015 | 82.4 | +5.74 | +7.49% | Dec 31, 2015 |
| Q3 2015 | 83.2 | +6.03 | +7.81% | Sep 30, 2015 |
| Q2 2015 | 79.3 | -2.47 | -3.02% | Jun 30, 2015 |
| Q1 2015 | 75.4 | -11.3 | -13% | Mar 31, 2015 |
| Q4 2014 | 76.6 | -14.4 | -15.9% | Dec 31, 2014 |
| Q3 2014 | 77.2 | -12 | -13.5% | Sep 30, 2014 |
| Q2 2014 | 81.8 | -5.31 | -6.1% | Jun 30, 2014 |
| Q1 2014 | 86.7 | +3.32 | +3.98% | Mar 31, 2014 |
| Q4 2013 | 91.1 | +11.4 | +14.3% | Dec 31, 2013 |
| Q3 2013 | 89.2 | +12.4 | +16.1% | Sep 30, 2013 |
| Q2 2013 | 87.1 | +11.5 | +15.2% | Jun 30, 2013 |
| Q1 2013 | 83.4 | +7.17 | +9.41% | Mar 31, 2013 |
| Q4 2012 | 79.6 | +2.33 | +3.01% | Dec 31, 2012 |
| Q3 2012 | 76.9 | -0.46 | -0.6% | Sep 30, 2012 |
| Q2 2012 | 75.6 | +2.31 | +3.15% | Jun 30, 2012 |
| Q1 2012 | 76.2 | +8.08 | +11.9% | Mar 31, 2012 |
| Q4 2011 | 77.3 | Dec 31, 2011 | ||
| Q3 2011 | 77.3 | Sep 30, 2011 | ||
| Q2 2011 | 73.3 | Jun 30, 2011 | ||
| Q1 2011 | 68.1 | Mar 31, 2011 |