| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q2 2024 | 131 | +5.92 | +4.74% | Jun 30, 2024 |
| Q1 2024 | 129 | +4.99 | +4.02% | Mar 31, 2024 |
| Q4 2023 | 129 | +6.79 | +5.54% | Dec 31, 2023 |
| Q3 2023 | 129 | +7.32 | +6% | Sep 30, 2023 |
| Q2 2023 | 125 | +3.41 | +2.8% | Jun 30, 2023 |
| Q1 2023 | 124 | +2.33 | +1.91% | Mar 31, 2023 |
| Q4 2022 | 123 | -1.83 | -1.47% | Dec 31, 2022 |
| Q3 2022 | 122 | -4.67 | -3.69% | Sep 30, 2022 |
| Q2 2022 | 122 | -9.1 | -6.96% | Jun 30, 2022 |
| Q1 2022 | 122 | -15.6 | -11.3% | Mar 31, 2022 |
| Q4 2021 | 124 | -17.6 | -12.4% | Dec 31, 2021 |
| Q3 2021 | 127 | -17 | -11.8% | Sep 30, 2021 |
| Q2 2021 | 131 | -13.5 | -9.36% | Jun 30, 2021 |
| Q1 2021 | 138 | -5.65 | -3.95% | Mar 31, 2021 |
| Q4 2020 | 142 | -0.29 | -0.2% | Dec 31, 2020 |
| Q3 2020 | 144 | +0.07 | +0.05% | Sep 30, 2020 |
| Q2 2020 | 144 | +0.75 | +0.52% | Jun 30, 2020 |
| Q1 2020 | 143 | -0.43 | -0.3% | Mar 31, 2020 |
| Q4 2019 | 142 | -1.21 | -0.84% | Dec 31, 2019 |
| Q3 2019 | 144 | +0.23 | +0.16% | Sep 30, 2019 |
| Q2 2019 | 143 | +1.3 | +0.92% | Jun 30, 2019 |
| Q1 2019 | 144 | +5.42 | +3.92% | Mar 31, 2019 |
| Q4 2018 | 143 | +10.9 | +8.24% | Dec 31, 2018 |
| Q3 2018 | 143 | +18 | +14.4% | Sep 30, 2018 |
| Q2 2018 | 142 | +24.3 | +20.6% | Jun 30, 2018 |
| Q1 2018 | 138 | +21.2 | +18.1% | Mar 31, 2018 |
| Q4 2017 | 133 | +16.9 | +14.7% | Dec 31, 2017 |
| Q3 2017 | 125 | +10.5 | +9.15% | Sep 30, 2017 |
| Q2 2017 | 118 | +3.03 | +2.64% | Jun 30, 2017 |
| Q1 2017 | 117 | +6.84 | +6.21% | Mar 31, 2017 |
| Q4 2016 | 116 | +7.92 | +7.35% | Dec 31, 2016 |
| Q3 2016 | 115 | +10.5 | +10% | Sep 30, 2016 |
| Q2 2016 | 115 | +13.9 | +13.7% | Jun 30, 2016 |
| Q1 2016 | 110 | +13.7 | +14.2% | Mar 31, 2016 |
| Q4 2015 | 108 | +9.78 | +9.99% | Dec 31, 2015 |
| Q3 2015 | 104 | +3.68 | +3.66% | Sep 30, 2015 |
| Q2 2015 | 101 | +0.51 | +0.51% | Jun 30, 2015 |
| Q1 2015 | 96.5 | +0.26 | +0.27% | Mar 31, 2015 |
| Q4 2014 | 97.9 | +14.9 | +17.9% | Dec 31, 2014 |
| Q3 2014 | 101 | +20.7 | +25.9% | Sep 30, 2014 |
| Q2 2014 | 100 | +23.8 | +31% | Jun 30, 2014 |
| Q1 2014 | 96.2 | +19.3 | +25.2% | Mar 31, 2014 |
| Q4 2013 | 83.1 | +6.35 | +8.28% | Dec 31, 2013 |
| Q3 2013 | 80 | +15.7 | +24.5% | Sep 30, 2013 |
| Q2 2013 | 76.7 | +13.4 | +21.1% | Jun 30, 2013 |
| Q1 2013 | 76.9 | +23.4 | +43.8% | Mar 31, 2013 |
| Q4 2012 | 76.7 | Dec 31, 2012 | ||
| Q3 2012 | 64.2 | Sep 30, 2012 | ||
| Q2 2012 | 63.3 | Jun 30, 2012 | ||
| Q1 2012 | 53.5 | Mar 31, 2012 |