| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q2 2024 | 91.9 | +5.81 | +6.75% | Jun 30, 2024 |
| Q1 2024 | 90.3 | +6.33 | +7.54% | Mar 31, 2024 |
| Q4 2023 | 88.5 | +7.41 | +9.14% | Dec 31, 2023 |
| Q3 2023 | 87.5 | +9.18 | +11.7% | Sep 30, 2023 |
| Q2 2023 | 86.1 | +6.64 | +8.36% | Jun 30, 2023 |
| Q1 2023 | 84 | +6.48 | +8.36% | Mar 31, 2023 |
| Q4 2022 | 81.1 | +4.82 | +6.32% | Dec 31, 2022 |
| Q3 2022 | 78.3 | +2.3 | +3.03% | Sep 30, 2022 |
| Q2 2022 | 79.4 | +5.47 | +7.4% | Jun 30, 2022 |
| Q1 2022 | 77.5 | +1.81 | +2.39% | Mar 31, 2022 |
| Q4 2021 | 76.3 | -1.81 | -2.32% | Dec 31, 2021 |
| Q3 2021 | 76 | -1.64 | -2.11% | Sep 30, 2021 |
| Q2 2021 | 74 | -5.33 | -6.72% | Jun 30, 2021 |
| Q1 2021 | 75.7 | -5.69 | -6.99% | Mar 31, 2021 |
| Q4 2020 | 78.1 | -10.9 | -12.3% | Dec 31, 2020 |
| Q3 2020 | 77.7 | -19.5 | -20% | Sep 30, 2020 |
| Q2 2020 | 79.3 | -23.1 | -22.5% | Jun 30, 2020 |
| Q1 2020 | 81.4 | -25.6 | -23.9% | Mar 31, 2020 |
| Q4 2019 | 89 | -16.2 | -15.4% | Dec 31, 2019 |
| Q3 2019 | 97.1 | -8 | -7.61% | Sep 30, 2019 |
| Q2 2019 | 102 | -0.3 | -0.29% | Jun 30, 2019 |
| Q1 2019 | 107 | +3.39 | +3.27% | Mar 31, 2019 |
| Q4 2018 | 105 | -0.54 | -0.51% | Dec 31, 2018 |
| Q3 2018 | 105 | -3.89 | -3.57% | Sep 30, 2018 |
| Q2 2018 | 103 | -20.6 | -16.7% | Jun 30, 2018 |
| Q1 2018 | 104 | -18.5 | -15.2% | Mar 31, 2018 |
| Q4 2017 | 106 | -21.1 | -16.6% | Dec 31, 2017 |
| Q3 2017 | 109 | -20.6 | -15.9% | Sep 30, 2017 |
| Q2 2017 | 123 | -8.3 | -6.31% | Jun 30, 2017 |
| Q1 2017 | 122 | -8.46 | -6.48% | Mar 31, 2017 |
| Q4 2016 | 127 | +2.37 | +1.91% | Dec 31, 2016 |
| Q3 2016 | 130 | +9.02 | +7.48% | Sep 30, 2016 |
| Q2 2016 | 132 | -1.87 | -1.4% | Jun 30, 2016 |
| Q1 2016 | 131 | -3.08 | -2.3% | Mar 31, 2016 |
| Q4 2015 | 124 | -27.1 | -17.9% | Dec 31, 2015 |
| Q3 2015 | 121 | -45.3 | -27.3% | Sep 30, 2015 |
| Q2 2015 | 133 | -14.7 | -9.93% | Jun 30, 2015 |
| Q1 2015 | 134 | -26.9 | -16.8% | Mar 31, 2015 |
| Q4 2014 | 151 | +12.1 | +8.65% | Dec 31, 2014 |
| Q3 2014 | 166 | +19.4 | +13.2% | Sep 30, 2014 |
| Q2 2014 | 148 | -4.54 | -2.97% | Jun 30, 2014 |
| Q1 2014 | 161 | +5.53 | +3.57% | Mar 31, 2014 |
| Q4 2013 | 139 | -22.6 | -13.9% | Dec 31, 2013 |
| Q3 2013 | 147 | +2 | +1.38% | Sep 30, 2013 |
| Q2 2013 | 153 | +18.3 | +13.6% | Jun 30, 2013 |
| Q1 2013 | 155 | +7.87 | +5.35% | Mar 31, 2013 |
| Q4 2012 | 162 | Dec 31, 2012 | ||
| Q3 2012 | 145 | Sep 30, 2012 | ||
| Q2 2012 | 134 | Jun 30, 2012 | ||
| Q1 2012 | 147 | Mar 31, 2012 |