| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q2 2024 | 65.6 | -19.6 | -23% | Jun 30, 2024 |
| Q1 2024 | 71.7 | -14.4 | -16.7% | Mar 31, 2024 |
| Q4 2023 | 76.5 | -10.1 | -11.7% | Dec 31, 2023 |
| Q3 2023 | 82.8 | -4.49 | -5.15% | Sep 30, 2023 |
| Q2 2023 | 85.2 | -3.84 | -4.31% | Jun 30, 2023 |
| Q1 2023 | 86.1 | -6.17 | -6.69% | Mar 31, 2023 |
| Q4 2022 | 86.6 | -9.4 | -9.79% | Dec 31, 2022 |
| Q3 2022 | 87.3 | -9.34 | -9.67% | Sep 30, 2022 |
| Q2 2022 | 89 | -6.27 | -6.58% | Jun 30, 2022 |
| Q1 2022 | 92.3 | +0.68 | +0.74% | Mar 31, 2022 |
| Q4 2021 | 96 | +8.55 | +9.78% | Dec 31, 2021 |
| Q3 2021 | 96.6 | +11.9 | +14% | Sep 30, 2021 |
| Q2 2021 | 95.3 | +11.9 | +14.3% | Jun 30, 2021 |
| Q1 2021 | 91.6 | +8.62 | +10.4% | Mar 31, 2021 |
| Q4 2020 | 87.4 | +5.34 | +6.5% | Dec 31, 2020 |
| Q3 2020 | 84.7 | +5.26 | +6.62% | Sep 30, 2020 |
| Q2 2020 | 83.4 | +1.45 | +1.77% | Jun 30, 2020 |
| Q1 2020 | 83 | +2.05 | +2.53% | Mar 31, 2020 |
| Q4 2019 | 82.1 | -0.92 | -1.11% | Dec 31, 2019 |
| Q3 2019 | 79.5 | -6.83 | -7.92% | Sep 30, 2019 |
| Q2 2019 | 81.9 | -5.25 | -6.02% | Jun 30, 2019 |
| Q1 2019 | 80.9 | -11 | -12% | Mar 31, 2019 |
| Q4 2018 | 83 | -8.35 | -9.14% | Dec 31, 2018 |
| Q3 2018 | 86.3 | -3.77 | -4.19% | Sep 30, 2018 |
| Q2 2018 | 87.2 | -0.58 | -0.66% | Jun 30, 2018 |
| Q1 2018 | 91.9 | +5.36 | +6.19% | Mar 31, 2018 |
| Q4 2017 | 91.4 | +3.13 | +3.55% | Dec 31, 2017 |
| Q3 2017 | 90.1 | -0.62 | -0.68% | Sep 30, 2017 |
| Q2 2017 | 87.8 | -4.72 | -5.1% | Jun 30, 2017 |
| Q1 2017 | 86.6 | -10.8 | -11.1% | Mar 31, 2017 |
| Q4 2016 | 88.2 | -15 | -14.6% | Dec 31, 2016 |
| Q3 2016 | 90.7 | -18.2 | -16.7% | Sep 30, 2016 |
| Q2 2016 | 92.5 | -21.3 | -18.8% | Jun 30, 2016 |
| Q1 2016 | 97.3 | -17.7 | -15.4% | Mar 31, 2016 |
| Q4 2015 | 103 | -12.4 | -10.7% | Dec 31, 2015 |
| Q3 2015 | 109 | -9.23 | -7.82% | Sep 30, 2015 |
| Q2 2015 | 114 | -4.99 | -4.2% | Jun 30, 2015 |
| Q1 2015 | 115 | -2.8 | -2.38% | Mar 31, 2015 |
| Q4 2014 | 116 | -1.4 | -1.2% | Dec 31, 2014 |
| Q3 2014 | 118 | +4.43 | +3.9% | Sep 30, 2014 |
| Q2 2014 | 119 | +10.2 | +9.41% | Jun 30, 2014 |
| Q1 2014 | 118 | +10.3 | +9.54% | Mar 31, 2014 |
| Q4 2013 | 117 | +10.8 | +10.1% | Dec 31, 2013 |
| Q3 2013 | 114 | +6.08 | +5.65% | Sep 30, 2013 |
| Q2 2013 | 109 | -4.13 | -3.66% | Jun 30, 2013 |
| Q1 2013 | 108 | -9.39 | -8.03% | Mar 31, 2013 |
| Q4 2012 | 106 | -15.2 | -12.5% | Dec 31, 2012 |
| Q3 2012 | 108 | -10.6 | -8.98% | Sep 30, 2012 |
| Q2 2012 | 113 | -1.4 | -1.23% | Jun 30, 2012 |
| Q1 2012 | 117 | +12.9 | +12.4% | Mar 31, 2012 |
| Q4 2011 | 122 | Dec 31, 2011 | ||
| Q3 2011 | 118 | Sep 30, 2011 | ||
| Q2 2011 | 114 | Jun 30, 2011 | ||
| Q1 2011 | 104 | Mar 31, 2011 |