| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q2 2024 | 77.2 | -7.93 | -9.32% | Jun 30, 2024 |
| Q1 2024 | 80.3 | -10.8 | -11.9% | Mar 31, 2024 |
| Q4 2023 | 80.7 | -16.2 | -16.7% | Dec 31, 2023 |
| Q3 2023 | 82.1 | -18 | -18% | Sep 30, 2023 |
| Q2 2023 | 85.1 | -17.6 | -17.1% | Jun 30, 2023 |
| Q1 2023 | 91.1 | -12.8 | -12.3% | Mar 31, 2023 |
| Q4 2022 | 96.9 | -7.6 | -7.27% | Dec 31, 2022 |
| Q3 2022 | 100 | -7.16 | -6.68% | Sep 30, 2022 |
| Q2 2022 | 103 | -2.43 | -2.31% | Jun 30, 2022 |
| Q1 2022 | 104 | +1.74 | +1.7% | Mar 31, 2022 |
| Q4 2021 | 105 | +6.43 | +6.56% | Dec 31, 2021 |
| Q3 2021 | 107 | +14.5 | +15.6% | Sep 30, 2021 |
| Q2 2021 | 105 | +15.4 | +17.2% | Jun 30, 2021 |
| Q1 2021 | 102 | +15.4 | +17.7% | Mar 31, 2021 |
| Q4 2020 | 98.1 | +13.5 | +16% | Dec 31, 2020 |
| Q3 2020 | 92.8 | +10.3 | +12.5% | Sep 30, 2020 |
| Q2 2020 | 89.7 | +7.87 | +9.62% | Jun 30, 2020 |
| Q1 2020 | 86.8 | +5.42 | +6.66% | Mar 31, 2020 |
| Q4 2019 | 84.6 | +3.45 | +4.25% | Dec 31, 2019 |
| Q3 2019 | 82.5 | +0.03 | +0.04% | Sep 30, 2019 |
| Q2 2019 | 81.8 | -1.82 | -2.18% | Jun 30, 2019 |
| Q1 2019 | 81.4 | -3.47 | -4.09% | Mar 31, 2019 |
| Q4 2018 | 81.1 | -5.89 | -6.77% | Dec 31, 2018 |
| Q3 2018 | 82.4 | -7.42 | -8.26% | Sep 30, 2018 |
| Q2 2018 | 83.7 | -8.02 | -8.75% | Jun 30, 2018 |
| Q1 2018 | 84.8 | -9.22 | -9.8% | Mar 31, 2018 |
| Q4 2017 | 87 | -8.28 | -8.69% | Dec 31, 2017 |
| Q3 2017 | 89.9 | -5.47 | -5.74% | Sep 30, 2017 |
| Q2 2017 | 91.7 | -3.84 | -4.02% | Jun 30, 2017 |
| Q1 2017 | 94.1 | -1.71 | -1.79% | Mar 31, 2017 |
| Q4 2016 | 95.3 | -0.77 | -0.8% | Dec 31, 2016 |
| Q3 2016 | 95.3 | -1.48 | -1.53% | Sep 30, 2016 |
| Q2 2016 | 95.5 | -0.13 | -0.14% | Jun 30, 2016 |
| Q1 2016 | 95.8 | +1.1 | +1.16% | Mar 31, 2016 |
| Q4 2015 | 96.1 | +1.45 | +1.53% | Dec 31, 2015 |
| Q3 2015 | 96.8 | +2.42 | +2.56% | Sep 30, 2015 |
| Q2 2015 | 95.7 | -1.24 | -1.28% | Jun 30, 2015 |
| Q1 2015 | 94.7 | -4.35 | -4.39% | Mar 31, 2015 |
| Q4 2014 | 94.6 | -5.23 | -5.24% | Dec 31, 2014 |
| Q3 2014 | 94.4 | -6.07 | -6.04% | Sep 30, 2014 |
| Q2 2014 | 96.9 | -2.56 | -2.57% | Jun 30, 2014 |
| Q1 2014 | 99 | +0.41 | +0.42% | Mar 31, 2014 |
| Q4 2013 | 99.9 | -2.47 | -2.41% | Dec 31, 2013 |
| Q3 2013 | 100 | -4.99 | -4.73% | Sep 30, 2013 |
| Q2 2013 | 99.5 | -7.51 | -7.02% | Jun 30, 2013 |
| Q1 2013 | 98.6 | -10 | -9.23% | Mar 31, 2013 |
| Q4 2012 | 102 | -4.19 | -3.93% | Dec 31, 2012 |
| Q3 2012 | 105 | +0.95 | +0.91% | Sep 30, 2012 |
| Q2 2012 | 107 | +2.5 | +2.39% | Jun 30, 2012 |
| Q1 2012 | 109 | +4.63 | +4.45% | Mar 31, 2012 |
| Q4 2011 | 107 | +1.86 | +1.78% | Dec 31, 2011 |
| Q3 2011 | 104 | Sep 30, 2011 | ||
| Q2 2011 | 104 | Jun 30, 2011 | ||
| Q1 2011 | 104 | Mar 31, 2011 | ||
| Q4 2010 | 105 | Dec 31, 2010 |