| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q2 2024 | 91.5 | -11.6 | -11.3% | Jun 30, 2024 |
| Q1 2024 | 89.5 | -20.2 | -18.4% | Mar 31, 2024 |
| Q4 2023 | 91 | -19.9 | -18% | Dec 31, 2023 |
| Q3 2023 | 95.3 | -17.1 | -15.2% | Sep 30, 2023 |
| Q2 2023 | 103 | -9.69 | -8.59% | Jun 30, 2023 |
| Q1 2023 | 110 | -5.1 | -4.44% | Mar 31, 2023 |
| Q4 2022 | 111 | -7.52 | -6.35% | Dec 31, 2022 |
| Q3 2022 | 112 | -5.02 | -4.28% | Sep 30, 2022 |
| Q2 2022 | 113 | -0.46 | -0.41% | Jun 30, 2022 |
| Q1 2022 | 115 | +6.72 | +6.22% | Mar 31, 2022 |
| Q4 2021 | 118 | +17.1 | +16.9% | Dec 31, 2021 |
| Q3 2021 | 117 | +20.9 | +21.7% | Sep 30, 2021 |
| Q2 2021 | 113 | +20.9 | +22.6% | Jun 30, 2021 |
| Q1 2021 | 108 | +19.3 | +21.7% | Mar 31, 2021 |
| Q4 2020 | 101 | +15.4 | +18% | Dec 31, 2020 |
| Q3 2020 | 96.4 | +12.5 | +14.9% | Sep 30, 2020 |
| Q2 2020 | 92.4 | +8.19 | +9.73% | Jun 30, 2020 |
| Q1 2020 | 88.8 | +2.87 | +3.34% | Mar 31, 2020 |
| Q4 2019 | 85.9 | -1.83 | -2.09% | Dec 31, 2019 |
| Q3 2019 | 83.9 | -6.71 | -7.41% | Sep 30, 2019 |
| Q2 2019 | 84.2 | -7.07 | -7.75% | Jun 30, 2019 |
| Q1 2019 | 85.9 | -5.1 | -5.6% | Mar 31, 2019 |
| Q4 2018 | 87.7 | -4.75 | -5.14% | Dec 31, 2018 |
| Q3 2018 | 90.6 | -2.37 | -2.55% | Sep 30, 2018 |
| Q2 2018 | 91.2 | -4.18 | -4.38% | Jun 30, 2018 |
| Q1 2018 | 91 | -6.36 | -6.53% | Mar 31, 2018 |
| Q4 2017 | 92.5 | -3.44 | -3.59% | Dec 31, 2017 |
| Q3 2017 | 93 | -1.27 | -1.35% | Sep 30, 2017 |
| Q2 2017 | 95.4 | +1.89 | +2.02% | Jun 30, 2017 |
| Q1 2017 | 97.4 | +3.3 | +3.51% | Mar 31, 2017 |
| Q4 2016 | 95.9 | -1.55 | -1.59% | Dec 31, 2016 |
| Q3 2016 | 94.3 | -4.99 | -5.03% | Sep 30, 2016 |
| Q2 2016 | 93.5 | -8.65 | -8.47% | Jun 30, 2016 |
| Q1 2016 | 94.1 | -11.2 | -10.7% | Mar 31, 2016 |
| Q4 2015 | 97.4 | -11 | -10.1% | Dec 31, 2015 |
| Q3 2015 | 99.3 | -11.8 | -10.6% | Sep 30, 2015 |
| Q2 2015 | 102 | -7.84 | -7.13% | Jun 30, 2015 |
| Q1 2015 | 105 | -2.56 | -2.37% | Mar 31, 2015 |
| Q4 2014 | 108 | +1.2 | +1.12% | Dec 31, 2014 |
| Q3 2014 | 111 | +3.37 | +3.13% | Sep 30, 2014 |
| Q2 2014 | 110 | +2.58 | +2.4% | Jun 30, 2014 |
| Q1 2014 | 108 | +1.03 | +0.96% | Mar 31, 2014 |
| Q4 2013 | 107 | +5.08 | +4.97% | Dec 31, 2013 |
| Q3 2013 | 108 | +6.26 | +6.17% | Sep 30, 2013 |
| Q2 2013 | 107 | +6.13 | +6.05% | Jun 30, 2013 |
| Q1 2013 | 107 | +5.08 | +4.99% | Mar 31, 2013 |
| Q4 2012 | 102 | -5.56 | -5.16% | Dec 31, 2012 |
| Q3 2012 | 101 | -10.5 | -9.36% | Sep 30, 2012 |
| Q2 2012 | 101 | -14.2 | -12.3% | Jun 30, 2012 |
| Q1 2012 | 102 | -16.8 | -14.2% | Mar 31, 2012 |
| Q4 2011 | 108 | Dec 31, 2011 | ||
| Q3 2011 | 112 | Sep 30, 2011 | ||
| Q2 2011 | 115 | Jun 30, 2011 | ||
| Q1 2011 | 119 | Mar 31, 2011 |