| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q2 2024 | 137 | +15.4 | +12.7% | Jun 30, 2024 |
| Q1 2024 | 131 | +8.71 | +7.1% | Mar 31, 2024 |
| Q4 2023 | 126 | +3.79 | +3.11% | Dec 31, 2023 |
| Q3 2023 | 121 | +0.34 | +0.28% | Sep 30, 2023 |
| Q2 2023 | 122 | +0.38 | +0.31% | Jun 30, 2023 |
| Q1 2023 | 123 | +2.39 | +1.99% | Mar 31, 2023 |
| Q4 2022 | 122 | +2.21 | +1.85% | Dec 31, 2022 |
| Q3 2022 | 121 | +0.47 | +0.39% | Sep 30, 2022 |
| Q2 2022 | 121 | +8.08 | +7.13% | Jun 30, 2022 |
| Q1 2022 | 120 | +11.2 | +10.3% | Mar 31, 2022 |
| Q4 2021 | 120 | +7.58 | +6.77% | Dec 31, 2021 |
| Q3 2021 | 120 | +10.8 | +9.84% | Sep 30, 2021 |
| Q2 2021 | 113 | +1.94 | +1.74% | Jun 30, 2021 |
| Q1 2021 | 109 | -8 | -6.84% | Mar 31, 2021 |
| Q4 2020 | 112 | -4.35 | -3.74% | Dec 31, 2020 |
| Q3 2020 | 110 | -11.4 | -9.39% | Sep 30, 2020 |
| Q2 2020 | 111 | -11.5 | -9.36% | Jun 30, 2020 |
| Q1 2020 | 117 | -8.25 | -6.59% | Mar 31, 2020 |
| Q4 2019 | 116 | -7.04 | -5.71% | Dec 31, 2019 |
| Q3 2019 | 121 | +0.74 | +0.62% | Sep 30, 2019 |
| Q2 2019 | 123 | +6.6 | +5.67% | Jun 30, 2019 |
| Q1 2019 | 125 | +11.5 | +10.1% | Mar 31, 2019 |
| Q4 2018 | 123 | +9.42 | +8.26% | Dec 31, 2018 |
| Q3 2018 | 120 | +3.06 | +2.61% | Sep 30, 2018 |
| Q2 2018 | 116 | -4.42 | -3.66% | Jun 30, 2018 |
| Q1 2018 | 114 | -8.37 | -6.86% | Mar 31, 2018 |
| Q4 2017 | 114 | -9.79 | -7.91% | Dec 31, 2017 |
| Q3 2017 | 117 | -10.3 | -8.05% | Sep 30, 2017 |
| Q2 2017 | 121 | -13 | -9.74% | Jun 30, 2017 |
| Q1 2017 | 122 | -20.3 | -14.3% | Mar 31, 2017 |
| Q4 2016 | 124 | -21.4 | -14.7% | Dec 31, 2016 |
| Q3 2016 | 127 | -15 | -10.5% | Sep 30, 2016 |
| Q2 2016 | 134 | -6.31 | -4.5% | Jun 30, 2016 |
| Q1 2016 | 142 | +6.85 | +5.05% | Mar 31, 2016 |
| Q4 2015 | 145 | +13.7 | +10.4% | Dec 31, 2015 |
| Q3 2015 | 142 | +14.1 | +11% | Sep 30, 2015 |
| Q2 2015 | 140 | +8.73 | +6.64% | Jun 30, 2015 |
| Q1 2015 | 136 | +2.11 | +1.58% | Mar 31, 2015 |
| Q4 2014 | 131 | -10.3 | -7.24% | Dec 31, 2014 |
| Q3 2014 | 128 | -25.3 | -16.5% | Sep 30, 2014 |
| Q2 2014 | 131 | -26.3 | -16.7% | Jun 30, 2014 |
| Q1 2014 | 133 | -26.3 | -16.4% | Mar 31, 2014 |
| Q4 2013 | 142 | -14.8 | -9.46% | Dec 31, 2013 |
| Q3 2013 | 154 | +0.01 | +0.01% | Sep 30, 2013 |
| Q2 2013 | 158 | +5.74 | +3.78% | Jun 30, 2013 |
| Q1 2013 | 160 | +9.04 | +6% | Mar 31, 2013 |
| Q4 2012 | 157 | +8.75 | +5.92% | Dec 31, 2012 |
| Q3 2012 | 154 | +8.57 | +5.91% | Sep 30, 2012 |
| Q2 2012 | 152 | +5.1 | +3.47% | Jun 30, 2012 |
| Q1 2012 | 151 | +2.64 | +1.78% | Mar 31, 2012 |
| Q4 2011 | 148 | Dec 31, 2011 | ||
| Q3 2011 | 145 | Sep 30, 2011 | ||
| Q2 2011 | 147 | Jun 30, 2011 | ||
| Q1 2011 | 148 | Mar 31, 2011 |