| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q1 2024 | 120 | -9.49 | -7.35% | Mar 31, 2024 |
| Q4 2023 | 124 | -3.1 | -2.44% | Dec 31, 2023 |
| Q3 2023 | 128 | +2.94 | +2.36% | Sep 30, 2023 |
| Q2 2023 | 129 | +8.07 | +6.69% | Jun 30, 2023 |
| Q1 2023 | 129 | +12.5 | +10.7% | Mar 31, 2023 |
| Q4 2022 | 127 | +13.3 | +11.7% | Dec 31, 2022 |
| Q3 2022 | 125 | +11 | +9.64% | Sep 30, 2022 |
| Q2 2022 | 121 | +7.57 | +6.7% | Jun 30, 2022 |
| Q1 2022 | 117 | +2.95 | +2.6% | Mar 31, 2022 |
| Q4 2021 | 114 | -1.46 | -1.27% | Dec 31, 2021 |
| Q3 2021 | 114 | -1.98 | -1.71% | Sep 30, 2021 |
| Q2 2021 | 113 | -6.82 | -5.69% | Jun 30, 2021 |
| Q1 2021 | 114 | -10.1 | -8.19% | Mar 31, 2021 |
| Q4 2020 | 115 | -11.2 | -8.89% | Dec 31, 2020 |
| Q3 2020 | 116 | -13.9 | -10.7% | Sep 30, 2020 |
| Q2 2020 | 120 | -9.98 | -7.69% | Jun 30, 2020 |
| Q1 2020 | 124 | -6.59 | -5.06% | Mar 31, 2020 |
| Q4 2019 | 126 | -4.92 | -3.75% | Dec 31, 2019 |
| Q3 2019 | 130 | -0.94 | -0.72% | Sep 30, 2019 |
| Q2 2019 | 130 | -1.36 | -1.04% | Jun 30, 2019 |
| Q1 2019 | 130 | +0.43 | +0.33% | Mar 31, 2019 |
| Q4 2018 | 131 | +2.03 | +1.57% | Dec 31, 2018 |
| Q3 2018 | 130 | +1.66 | +1.29% | Sep 30, 2018 |
| Q2 2018 | 131 | +2.34 | +1.82% | Jun 30, 2018 |
| Q1 2018 | 130 | -1.23 | -0.94% | Mar 31, 2018 |
| Q4 2017 | 129 | -4.33 | -3.24% | Dec 31, 2017 |
| Q3 2017 | 129 | -5.98 | -4.44% | Sep 30, 2017 |
| Q2 2017 | 129 | -13.2 | -9.32% | Jun 30, 2017 |
| Q1 2017 | 131 | -16.2 | -11% | Mar 31, 2017 |
| Q4 2016 | 134 | -20.7 | -13.4% | Dec 31, 2016 |
| Q3 2016 | 135 | -26.9 | -16.7% | Sep 30, 2016 |
| Q2 2016 | 142 | -20.4 | -12.6% | Jun 30, 2016 |
| Q1 2016 | 147 | -14.5 | -8.95% | Mar 31, 2016 |
| Q4 2015 | 154 | -6.47 | -4.02% | Dec 31, 2015 |
| Q3 2015 | 162 | -4.17 | -2.51% | Sep 30, 2015 |
| Q2 2015 | 162 | -5.09 | -3.04% | Jun 30, 2015 |
| Q1 2015 | 162 | -9.05 | -5.3% | Mar 31, 2015 |
| Q4 2014 | 161 | -11.6 | -6.75% | Dec 31, 2014 |
| Q3 2014 | 166 | -3.4 | -2.01% | Sep 30, 2014 |
| Q2 2014 | 168 | -3.57 | -2.09% | Jun 30, 2014 |
| Q1 2014 | 171 | -1.45 | -0.84% | Mar 31, 2014 |
| Q4 2013 | 172 | +0.05 | +0.03% | Dec 31, 2013 |
| Q3 2013 | 169 | -4.26 | -2.46% | Sep 30, 2013 |
| Q2 2013 | 171 | -2.24 | -1.29% | Jun 30, 2013 |
| Q1 2013 | 172 | +2.11 | +1.24% | Mar 31, 2013 |
| Q4 2012 | 172 | +2.89 | +1.71% | Dec 31, 2012 |
| Q3 2012 | 174 | +7.21 | +4.33% | Sep 30, 2012 |
| Q2 2012 | 173 | +9.93 | +6.08% | Jun 30, 2012 |
| Q1 2012 | 170 | +4.89 | +2.96% | Mar 31, 2012 |
| Q4 2011 | 169 | Dec 31, 2011 | ||
| Q3 2011 | 166 | Sep 30, 2011 | ||
| Q2 2011 | 163 | Jun 30, 2011 | ||
| Q1 2011 | 165 | Mar 31, 2011 |