| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q2 2024 | 79.1 | -10.4 | -11.7% | Jun 30, 2024 |
| Q1 2024 | 80.2 | -16.7 | -17.2% | Mar 31, 2024 |
| Q4 2023 | 81.3 | -24.3 | -23% | Dec 31, 2023 |
| Q3 2023 | 85 | -21 | -19.8% | Sep 30, 2023 |
| Q2 2023 | 89.5 | -15 | -14.3% | Jun 30, 2023 |
| Q1 2023 | 96.9 | -2.3 | -2.32% | Mar 31, 2023 |
| Q4 2022 | 106 | +9.58 | +9.98% | Dec 31, 2022 |
| Q3 2022 | 106 | +7.81 | +7.96% | Sep 30, 2022 |
| Q2 2022 | 104 | +6.2 | +6.31% | Jun 30, 2022 |
| Q1 2022 | 99.2 | +1.21 | +1.24% | Mar 31, 2022 |
| Q4 2021 | 96 | -0.27 | -0.28% | Dec 31, 2021 |
| Q3 2021 | 98.1 | +5.47 | +5.9% | Sep 30, 2021 |
| Q2 2021 | 98.3 | +8.92 | +9.98% | Jun 30, 2021 |
| Q1 2021 | 98 | +10.7 | +12.3% | Mar 31, 2021 |
| Q4 2020 | 96.3 | +12.3 | +14.6% | Dec 31, 2020 |
| Q3 2020 | 92.7 | +8.62 | +10.3% | Sep 30, 2020 |
| Q2 2020 | 89.4 | +5.05 | +5.99% | Jun 30, 2020 |
| Q1 2020 | 87.3 | +2.34 | +2.76% | Mar 31, 2020 |
| Q4 2019 | 84 | -1.86 | -2.17% | Dec 31, 2019 |
| Q3 2019 | 84.1 | -1.53 | -1.79% | Sep 30, 2019 |
| Q2 2019 | 84.3 | +2.29 | +2.79% | Jun 30, 2019 |
| Q1 2019 | 84.9 | +5.37 | +6.75% | Mar 31, 2019 |
| Q4 2018 | 85.9 | +7.19 | +9.14% | Dec 31, 2018 |
| Q3 2018 | 85.6 | +7.87 | +10.1% | Sep 30, 2018 |
| Q2 2018 | 82 | +1.97 | +2.46% | Jun 30, 2018 |
| Q1 2018 | 79.6 | -2.47 | -3.01% | Mar 31, 2018 |
| Q4 2017 | 78.7 | -3.69 | -4.48% | Dec 31, 2017 |
| Q3 2017 | 77.7 | -7.13 | -8.4% | Sep 30, 2017 |
| Q2 2017 | 80.1 | -7.7 | -8.77% | Jun 30, 2017 |
| Q1 2017 | 82 | -8.98 | -9.87% | Mar 31, 2017 |
| Q4 2016 | 82.4 | -13.9 | -14.4% | Dec 31, 2016 |
| Q3 2016 | 84.9 | -14.6 | -14.7% | Sep 30, 2016 |
| Q2 2016 | 87.8 | -13.5 | -13.3% | Jun 30, 2016 |
| Q1 2016 | 91 | -12.2 | -11.8% | Mar 31, 2016 |
| Q4 2015 | 96.2 | -6.46 | -6.29% | Dec 31, 2015 |
| Q3 2015 | 99.4 | -3.05 | -2.98% | Sep 30, 2015 |
| Q2 2015 | 101 | -1.4 | -1.36% | Jun 30, 2015 |
| Q1 2015 | 103 | +0.91 | +0.89% | Mar 31, 2015 |
| Q4 2014 | 103 | -0.19 | -0.19% | Dec 31, 2014 |
| Q3 2014 | 102 | -1.18 | -1.14% | Sep 30, 2014 |
| Q2 2014 | 103 | -1.54 | -1.48% | Jun 30, 2014 |
| Q1 2014 | 102 | -2.64 | -2.52% | Mar 31, 2014 |
| Q4 2013 | 103 | -2.11 | -2.01% | Dec 31, 2013 |
| Q3 2013 | 104 | -2.23 | -2.11% | Sep 30, 2013 |
| Q2 2013 | 104 | -2.24 | -2.11% | Jun 30, 2013 |
| Q1 2013 | 105 | -2.97 | -2.75% | Mar 31, 2013 |
| Q4 2012 | 105 | -4.1 | -3.76% | Dec 31, 2012 |
| Q3 2012 | 106 | -3.48 | -3.18% | Sep 30, 2012 |
| Q2 2012 | 106 | -4.25 | -3.84% | Jun 30, 2012 |
| Q1 2012 | 108 | -3 | -2.71% | Mar 31, 2012 |
| Q4 2011 | 109 | Dec 31, 2011 | ||
| Q3 2011 | 109 | Sep 30, 2011 | ||
| Q2 2011 | 111 | Jun 30, 2011 | ||
| Q1 2011 | 111 | Mar 31, 2011 |