| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q2 2024 | 69.2 | -2.82 | -3.91% | Jun 30, 2024 |
| Q1 2024 | 66.8 | -8.66 | -11.5% | Mar 31, 2024 |
| Q4 2023 | 67.8 | -11.8 | -14.8% | Dec 31, 2023 |
| Q3 2023 | 69.5 | -14.5 | -17.3% | Sep 30, 2023 |
| Q2 2023 | 72.1 | -17.1 | -19.2% | Jun 30, 2023 |
| Q1 2023 | 75.5 | -16.2 | -17.6% | Mar 31, 2023 |
| Q4 2022 | 79.6 | -14.9 | -15.8% | Dec 31, 2022 |
| Q3 2022 | 84 | -8.71 | -9.4% | Sep 30, 2022 |
| Q2 2022 | 89.2 | +0.64 | +0.72% | Jun 30, 2022 |
| Q1 2022 | 91.7 | +4.17 | +4.77% | Mar 31, 2022 |
| Q4 2021 | 94.5 | +10.3 | +12.2% | Dec 31, 2021 |
| Q3 2021 | 92.7 | +7.13 | +8.34% | Sep 30, 2021 |
| Q2 2021 | 88.5 | +1.94 | +2.24% | Jun 30, 2021 |
| Q1 2021 | 87.5 | +1.24 | +1.44% | Mar 31, 2021 |
| Q4 2020 | 84.3 | -2.51 | -2.89% | Dec 31, 2020 |
| Q3 2020 | 85.5 | -1.97 | -2.25% | Sep 30, 2020 |
| Q2 2020 | 86.6 | -1.94 | -2.19% | Jun 30, 2020 |
| Q1 2020 | 86.3 | -3.65 | -4.06% | Mar 31, 2020 |
| Q4 2019 | 86.8 | -4.65 | -5.09% | Dec 31, 2019 |
| Q3 2019 | 87.5 | -5.65 | -6.07% | Sep 30, 2019 |
| Q2 2019 | 88.5 | -3.42 | -3.72% | Jun 30, 2019 |
| Q1 2019 | 89.9 | -0.83 | -0.92% | Mar 31, 2019 |
| Q4 2018 | 91.4 | +2.35 | +2.64% | Dec 31, 2018 |
| Q3 2018 | 93.2 | +5.7 | +6.52% | Sep 30, 2018 |
| Q2 2018 | 92 | +2.78 | +3.12% | Jun 30, 2018 |
| Q1 2018 | 90.7 | -0.16 | -0.18% | Mar 31, 2018 |
| Q4 2017 | 89.1 | -2.28 | -2.5% | Dec 31, 2017 |
| Q3 2017 | 87.5 | -4.07 | -4.45% | Sep 30, 2017 |
| Q2 2017 | 89.2 | -1.78 | -1.96% | Jun 30, 2017 |
| Q1 2017 | 90.9 | +0.55 | +0.61% | Mar 31, 2017 |
| Q4 2016 | 91.3 | +1.17 | +1.3% | Dec 31, 2016 |
| Q3 2016 | 91.5 | +1.59 | +1.77% | Sep 30, 2016 |
| Q2 2016 | 91 | -4.45 | -4.66% | Jun 30, 2016 |
| Q1 2016 | 90.3 | -10.6 | -10.5% | Mar 31, 2016 |
| Q4 2015 | 90.2 | -16.3 | -15.3% | Dec 31, 2015 |
| Q3 2015 | 89.9 | -22.1 | -19.8% | Sep 30, 2015 |
| Q2 2015 | 95.4 | -17.4 | -15.4% | Jun 30, 2015 |
| Q1 2015 | 101 | -13.5 | -11.8% | Mar 31, 2015 |
| Q4 2014 | 106 | -13.1 | -10.9% | Dec 31, 2014 |
| Q3 2014 | 112 | -9.37 | -7.72% | Sep 30, 2014 |
| Q2 2014 | 113 | -8.29 | -6.85% | Jun 30, 2014 |
| Q1 2014 | 114 | -5.31 | -4.43% | Mar 31, 2014 |
| Q4 2013 | 120 | +5.85 | +5.15% | Dec 31, 2013 |
| Q3 2013 | 121 | +9.51 | +8.5% | Sep 30, 2013 |
| Q2 2013 | 121 | +1.64 | +1.37% | Jun 30, 2013 |
| Q1 2013 | 120 | -11.8 | -8.96% | Mar 31, 2013 |
| Q4 2012 | 114 | -28.5 | -20.1% | Dec 31, 2012 |
| Q3 2012 | 112 | -41.2 | -26.9% | Sep 30, 2012 |
| Q2 2012 | 119 | -37 | -23.7% | Jun 30, 2012 |
| Q1 2012 | 132 | -25.2 | -16.1% | Mar 31, 2012 |
| Q4 2011 | 142 | Dec 31, 2011 | ||
| Q3 2011 | 153 | Sep 30, 2011 | ||
| Q2 2011 | 156 | Jun 30, 2011 | ||
| Q1 2011 | 157 | Mar 31, 2011 |