| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q1 2024 | 88.1 | -2.59 | -2.86% | Mar 31, 2024 |
| Q4 2023 | 88.1 | -3.46 | -3.78% | Dec 31, 2023 |
| Q3 2023 | 88.7 | -3.75 | -4.06% | Sep 30, 2023 |
| Q2 2023 | 89.6 | -3.59 | -3.85% | Jun 30, 2023 |
| Q1 2023 | 90.7 | -2.96 | -3.16% | Mar 31, 2023 |
| Q4 2022 | 91.5 | -5.47 | -5.64% | Dec 31, 2022 |
| Q3 2022 | 92.5 | -5.7 | -5.81% | Sep 30, 2022 |
| Q2 2022 | 93.1 | -6.15 | -6.19% | Jun 30, 2022 |
| Q1 2022 | 93.6 | -6.82 | -6.79% | Mar 31, 2022 |
| Q4 2021 | 97 | -0.87 | -0.89% | Dec 31, 2021 |
| Q3 2021 | 98.2 | +1.39 | +1.44% | Sep 30, 2021 |
| Q2 2021 | 99.3 | +3.17 | +3.3% | Jun 30, 2021 |
| Q1 2021 | 100 | +4.96 | +5.19% | Mar 31, 2021 |
| Q4 2020 | 97.9 | +3.05 | +3.22% | Dec 31, 2020 |
| Q3 2020 | 96.8 | +2.15 | +2.27% | Sep 30, 2020 |
| Q2 2020 | 96.1 | +2.05 | +2.18% | Jun 30, 2020 |
| Q1 2020 | 95.5 | +1.74 | +1.86% | Mar 31, 2020 |
| Q4 2019 | 94.8 | +1.22 | +1.3% | Dec 31, 2019 |
| Q3 2019 | 94.6 | +0.76 | +0.81% | Sep 30, 2019 |
| Q2 2019 | 94.1 | +0.77 | +0.83% | Jun 30, 2019 |
| Q1 2019 | 93.8 | +0.97 | +1.05% | Mar 31, 2019 |
| Q4 2018 | 93.6 | +1.31 | +1.42% | Dec 31, 2018 |
| Q3 2018 | 93.9 | +2.62 | +2.87% | Sep 30, 2018 |
| Q2 2018 | 93.3 | +2.12 | +2.33% | Jun 30, 2018 |
| Q1 2018 | 92.8 | +2.24 | +2.47% | Mar 31, 2018 |
| Q4 2017 | 92.3 | +1.57 | +1.73% | Dec 31, 2017 |
| Q3 2017 | 91.2 | +1.87 | +2.09% | Sep 30, 2017 |
| Q2 2017 | 91.2 | +0.98 | +1.09% | Jun 30, 2017 |
| Q1 2017 | 90.6 | -0.79 | -0.87% | Mar 31, 2017 |
| Q4 2016 | 90.7 | -1.45 | -1.57% | Dec 31, 2016 |
| Q3 2016 | 89.4 | -6.12 | -6.41% | Sep 30, 2016 |
| Q2 2016 | 90.2 | -6.03 | -6.27% | Jun 30, 2016 |
| Q1 2016 | 91.4 | -5.66 | -5.83% | Mar 31, 2016 |
| Q4 2015 | 92.2 | -4.57 | -4.72% | Dec 31, 2015 |
| Q3 2015 | 95.5 | -1.13 | -1.17% | Sep 30, 2015 |
| Q2 2015 | 96.2 | -0.21 | -0.22% | Jun 30, 2015 |
| Q1 2015 | 97 | +0.57 | +0.59% | Mar 31, 2015 |
| Q4 2014 | 96.8 | -0.16 | -0.17% | Dec 31, 2014 |
| Q3 2014 | 96.6 | -0.42 | -0.43% | Sep 30, 2014 |
| Q2 2014 | 96.4 | -0.94 | -0.97% | Jun 30, 2014 |
| Q1 2014 | 96.5 | -1.98 | -2.01% | Mar 31, 2014 |
| Q4 2013 | 96.9 | -3.72 | -3.7% | Dec 31, 2013 |
| Q3 2013 | 97 | -6.02 | -5.84% | Sep 30, 2013 |
| Q2 2013 | 97.4 | -7.35 | -7.02% | Jun 30, 2013 |
| Q1 2013 | 98.4 | -8.47 | -7.92% | Mar 31, 2013 |
| Q4 2012 | 101 | -7.16 | -6.64% | Dec 31, 2012 |
| Q3 2012 | 103 | -5.41 | -4.99% | Sep 30, 2012 |
| Q2 2012 | 105 | -4.77 | -4.36% | Jun 30, 2012 |
| Q1 2012 | 107 | -2.05 | -1.88% | Mar 31, 2012 |
| Q4 2011 | 108 | -0.57 | -0.53% | Dec 31, 2011 |
| Q3 2011 | 108 | Sep 30, 2011 | ||
| Q2 2011 | 109 | Jun 30, 2011 | ||
| Q1 2011 | 109 | Mar 31, 2011 | ||
| Q4 2010 | 108 | Dec 31, 2010 |