| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q4 2024 | 81.4 | -8.76 | -9.72% | Dec 31, 2024 |
| Q3 2024 | 80.9 | -17.1 | -17.5% | Sep 30, 2024 |
| Q2 2024 | 83.8 | -15.2 | -15.4% | Jun 30, 2024 |
| Q1 2024 | 90.5 | -3.33 | -3.55% | Mar 31, 2024 |
| Q4 2023 | 90.1 | -3.19 | -3.42% | Dec 31, 2023 |
| Q3 2023 | 98 | +9.77 | +11.1% | Sep 30, 2023 |
| Q2 2023 | 99 | +13 | +15.1% | Jun 30, 2023 |
| Q1 2023 | 93.8 | +8.03 | +9.36% | Mar 31, 2023 |
| Q4 2022 | 93.3 | +3.67 | +4.09% | Dec 31, 2022 |
| Q3 2022 | 88.3 | -3.54 | -3.86% | Sep 30, 2022 |
| Q2 2022 | 86 | -9.05 | -9.52% | Jun 30, 2022 |
| Q1 2022 | 85.8 | -15.8 | -15.6% | Mar 31, 2022 |
| Q4 2021 | 89.6 | -11.3 | -11.2% | Dec 31, 2021 |
| Q3 2021 | 91.8 | -7.73 | -7.77% | Sep 30, 2021 |
| Q2 2021 | 95.1 | -5.54 | -5.51% | Jun 30, 2021 |
| Q1 2021 | 102 | +2.91 | +2.95% | Mar 31, 2021 |
| Q4 2020 | 101 | +2.23 | +2.26% | Dec 31, 2020 |
| Q3 2020 | 99.5 | +2.51 | +2.59% | Sep 30, 2020 |
| Q2 2020 | 101 | +5.92 | +6.25% | Jun 30, 2020 |
| Q1 2020 | 98.7 | +5.2 | +5.56% | Mar 31, 2020 |
| Q4 2019 | 98.7 | +0.77 | +0.79% | Dec 31, 2019 |
| Q3 2019 | 97 | -2.02 | -2.04% | Sep 30, 2019 |
| Q2 2019 | 94.7 | -5 | -5.02% | Jun 30, 2019 |
| Q1 2019 | 93.5 | -8.92 | -8.71% | Mar 31, 2019 |
| Q4 2018 | 97.9 | -7.24 | -6.89% | Dec 31, 2018 |
| Q3 2018 | 99 | -11.4 | -10.3% | Sep 30, 2018 |
| Q2 2018 | 99.7 | -15.2 | -13.2% | Jun 30, 2018 |
| Q1 2018 | 102 | -11.4 | -9.99% | Mar 31, 2018 |
| Q4 2017 | 105 | -3.36 | -3.1% | Dec 31, 2017 |
| Q3 2017 | 110 | +7.47 | +7.26% | Sep 30, 2017 |
| Q2 2017 | 115 | +16.8 | +17.1% | Jun 30, 2017 |
| Q1 2017 | 114 | +16.9 | +17.5% | Mar 31, 2017 |
| Q4 2016 | 109 | +9.2 | +9.26% | Dec 31, 2016 |
| Q3 2016 | 103 | -1.07 | -1.03% | Sep 30, 2016 |
| Q2 2016 | 98.1 | -12.7 | -11.4% | Jun 30, 2016 |
| Q1 2016 | 96.8 | -17.1 | -15% | Mar 31, 2016 |
| Q4 2015 | 99.3 | -15.8 | -13.7% | Dec 31, 2015 |
| Q3 2015 | 104 | -5.11 | -4.68% | Sep 30, 2015 |
| Q2 2015 | 111 | +10.6 | +10.6% | Jun 30, 2015 |
| Q1 2015 | 114 | +16.8 | +17.3% | Mar 31, 2015 |
| Q4 2014 | 115 | +23.9 | +26.2% | Dec 31, 2014 |
| Q3 2014 | 109 | +12.6 | +13.1% | Sep 30, 2014 |
| Q2 2014 | 100 | +3.3 | +3.41% | Jun 30, 2014 |
| Q1 2014 | 97.1 | +1.42 | +1.48% | Mar 31, 2014 |
| Q4 2013 | 91.2 | -7.74 | -7.82% | Dec 31, 2013 |
| Q3 2013 | 96.5 | +4.1 | +4.44% | Sep 30, 2013 |
| Q2 2013 | 96.8 | +6.27 | +6.93% | Jun 30, 2013 |
| Q1 2013 | 95.7 | +8.39 | +9.61% | Mar 31, 2013 |
| Q4 2012 | 99 | +15.2 | +18.2% | Dec 31, 2012 |
| Q3 2012 | 92.4 | Sep 30, 2012 | ||
| Q2 2012 | 90.6 | Jun 30, 2012 | ||
| Q1 2012 | 87.3 | Mar 31, 2012 | ||
| Q4 2011 | 83.8 | Dec 31, 2011 |