| Period | Value | YoY Chg | Change % | Start Date | End Date |
|---|---|---|---|---|---|
| Q1 2024 | 137 | -5.05 | -3.56% | Mar 31, 2024 | |
| Q4 2023 | 139 | -3.19 | -2.24% | Dec 31, 2023 | |
| Q3 2023 | 140 | -3.96 | -2.75% | Sep 30, 2023 | |
| Q2 2023 | 139 | -9.72 | -6.54% | Jun 30, 2023 | |
| Q1 2023 | 142 | -9.39 | -6.2% | Mar 31, 2023 | |
| Q4 2022 | 142 | -13.3 | -8.56% | Dec 31, 2022 | |
| Q3 2022 | 144 | -13.9 | -8.79% | Sep 30, 2022 | |
| Q2 2022 | 149 | -7.44 | -4.77% | Jun 30, 2022 | |
| Q1 2022 | 151 | -3.18 | -2.06% | Mar 31, 2022 | |
| Q4 2021 | 155 | +5.68 | +3.79% | Dec 31, 2021 | |
| Q3 2021 | 158 | +9.55 | +6.44% | Sep 30, 2021 | |
| Q2 2021 | 156 | +10.4 | +7.13% | Jun 30, 2021 | |
| Q1 2021 | 155 | +10.5 | +7.27% | Mar 31, 2021 | |
| Q4 2020 | 150 | +5.43 | +3.76% | Dec 31, 2020 | |
| Q3 2020 | 148 | +6.48 | +4.57% | Sep 30, 2020 | |
| Q2 2020 | 146 | +3.08 | +2.16% | Jun 30, 2020 | |
| Q1 2020 | 144 | +3.27 | +2.32% | Mar 31, 2020 | |
| Q4 2019 | 144 | +5.16 | +3.71% | Dec 31, 2019 | |
| Q3 2019 | 142 | +3.06 | +2.21% | Sep 30, 2019 | |
| Q2 2019 | 143 | +4.93 | +3.58% | Jun 30, 2019 | |
| Q1 2019 | 141 | +4.46 | +3.27% | Mar 31, 2019 | |
| Q4 2018 | 139 | +4.79 | +3.56% | Dec 31, 2018 | |
| Q3 2018 | 139 | +7.24 | +5.51% | Sep 30, 2018 | |
| Q2 2018 | 138 | +10.3 | +8.11% | Jun 30, 2018 | |
| Q1 2018 | 136 | +11.1 | +8.83% | Mar 31, 2018 | |
| Q4 2017 | 134 | +9.12 | +7.28% | Dec 31, 2017 | |
| Q3 2017 | 131 | +4.82 | +3.81% | Sep 30, 2017 | |
| Q2 2017 | 127 | -1.73 | -1.34% | Jun 30, 2017 | |
| Q1 2017 | 125 | -10.2 | -7.51% | Mar 31, 2017 | |
| Q4 2016 | 125 | -14.3 | -10.2% | Dec 31, 2016 | |
| Q3 2016 | 127 | -15 | -10.6% | Sep 30, 2016 | |
| Q2 2016 | 129 | -13.7 | -9.62% | Jun 30, 2016 | |
| Q1 2016 | 135 | -4.78 | -3.41% | Mar 31, 2016 | |
| Q4 2015 | 140 | +0.69 | +0.5% | Dec 31, 2015 | |
| Q3 2015 | 142 | +1.7 | +1.22% | Sep 30, 2015 | |
| Q2 2015 | 143 | +3.85 | +2.77% | Jun 30, 2015 | |
| Q1 2015 | 140 | +1.92 | +1.39% | Mar 31, 2015 | |
| Q4 2014 | 139 | -1.06 | -0.76% | Dec 31, 2014 | |
| Q3 2014 | 140 | -0.73 | -0.52% | Sep 30, 2014 | |
| Q2 2014 | 139 | -2.4 | -1.7% | Jun 30, 2014 | |
| Q1 2014 | 138 | -4.33 | -3.04% | Mar 31, 2014 | |
| Q4 2013 | 140 | -1.28 | -0.91% | Dec 31, 2013 | |
| Q3 2013 | 141 | +1.72 | +1.24% | Sep 30, 2013 | |
| Q2 2013 | 141 | +1.3 | +0.93% | Jun 30, 2013 | |
| Q1 2013 | 143 | -4.33 | -2.95% | Mar 31, 2013 | |
| Q4 2012 | 141 | -8.56 | -5.72% | Dec 31, 2012 | |
| Q3 2012 | 139 | -14.5 | -9.43% | Sep 30, 2012 | |
| Q2 2012 | 140 | -12.7 | -8.31% | Jun 30, 2012 | |
| Q1 2012 | 147 | +3.26 | +2.27% | Mar 31, 2012 | |
| Q4 2011 | 150 | +7.77 | +5.47% | Dec 31, 2011 | |
| Q3 2011 | 153 | Sep 30, 2011 | |||
| Q2 2011 | 153 | Jun 30, 2011 | |||
| Q1 2011 | 144 | Mar 31, 2011 | |||
| Q4 2010 | 142 | Dec 31, 2010 |