| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q2 2024 | 128 | +0.06 | +0.05% | Jun 30, 2024 |
| Q1 2024 | 129 | +2.19 | +1.73% | Mar 31, 2024 |
| Q4 2023 | 128 | +2.8 | +2.24% | Dec 31, 2023 |
| Q3 2023 | 129 | +6.52 | +5.34% | Sep 30, 2023 |
| Q2 2023 | 128 | +4.89 | +3.96% | Jun 30, 2023 |
| Q1 2023 | 126 | -0.67 | -0.53% | Mar 31, 2023 |
| Q4 2022 | 125 | -4.15 | -3.21% | Dec 31, 2022 |
| Q3 2022 | 122 | -10.9 | -8.18% | Sep 30, 2022 |
| Q2 2022 | 124 | -10.6 | -7.92% | Jun 30, 2022 |
| Q1 2022 | 127 | -7.3 | -5.43% | Mar 31, 2022 |
| Q4 2021 | 129 | -8.2 | -5.96% | Dec 31, 2021 |
| Q3 2021 | 133 | -6.93 | -4.95% | Sep 30, 2021 |
| Q2 2021 | 134 | -3.29 | -2.39% | Jun 30, 2021 |
| Q1 2021 | 134 | -1.5 | -1.1% | Mar 31, 2021 |
| Q4 2020 | 138 | +4.95 | +3.73% | Dec 31, 2020 |
| Q3 2020 | 140 | +5.23 | +3.88% | Sep 30, 2020 |
| Q2 2020 | 137 | +1.07 | +0.79% | Jun 30, 2020 |
| Q1 2020 | 136 | -4.01 | -2.87% | Mar 31, 2020 |
| Q4 2019 | 133 | -14.9 | -10.1% | Dec 31, 2019 |
| Q3 2019 | 135 | -13.1 | -8.87% | Sep 30, 2019 |
| Q2 2019 | 136 | -18.9 | -12.2% | Jun 30, 2019 |
| Q1 2019 | 140 | -20.6 | -12.8% | Mar 31, 2019 |
| Q4 2018 | 148 | -13.5 | -8.39% | Dec 31, 2018 |
| Q3 2018 | 148 | -17.2 | -10.4% | Sep 30, 2018 |
| Q2 2018 | 155 | -5.96 | -3.7% | Jun 30, 2018 |
| Q1 2018 | 160 | +4.33 | +2.77% | Mar 31, 2018 |
| Q4 2017 | 161 | +10.2 | +6.75% | Dec 31, 2017 |
| Q3 2017 | 165 | +17.9 | +12.2% | Sep 30, 2017 |
| Q2 2017 | 161 | +15.7 | +10.8% | Jun 30, 2017 |
| Q1 2017 | 156 | +9.44 | +6.43% | Mar 31, 2017 |
| Q4 2016 | 151 | +4.4 | +3% | Dec 31, 2016 |
| Q3 2016 | 147 | +1.16 | +0.79% | Sep 30, 2016 |
| Q2 2016 | 146 | +3.91 | +2.76% | Jun 30, 2016 |
| Q1 2016 | 147 | +10.6 | +7.76% | Mar 31, 2016 |
| Q4 2015 | 147 | +17.8 | +13.8% | Dec 31, 2015 |
| Q3 2015 | 146 | +23.3 | +18.9% | Sep 30, 2015 |
| Q2 2015 | 142 | +20.9 | +17.3% | Jun 30, 2015 |
| Q1 2015 | 136 | +17.4 | +14.7% | Mar 31, 2015 |
| Q4 2014 | 129 | +9.25 | +7.74% | Dec 31, 2014 |
| Q3 2014 | 123 | +2.12 | +1.76% | Sep 30, 2014 |
| Q2 2014 | 121 | -2.06 | -1.68% | Jun 30, 2014 |
| Q1 2014 | 119 | -5.05 | -4.08% | Mar 31, 2014 |
| Q4 2013 | 119 | -7.2 | -5.69% | Dec 31, 2013 |
| Q3 2013 | 121 | -7.87 | -6.12% | Sep 30, 2013 |
| Q2 2013 | 123 | -6.8 | -5.25% | Jun 30, 2013 |
| Q1 2013 | 124 | -8.07 | -6.12% | Mar 31, 2013 |
| Q4 2012 | 127 | -5.7 | -4.31% | Dec 31, 2012 |
| Q3 2012 | 129 | -3.48 | -2.64% | Sep 30, 2012 |
| Q2 2012 | 130 | -0.21 | -0.16% | Jun 30, 2012 |
| Q1 2012 | 132 | +4.5 | +3.53% | Mar 31, 2012 |
| Q4 2011 | 132 | +5.68 | +4.48% | Dec 31, 2011 |
| Q3 2011 | 132 | Sep 30, 2011 | ||
| Q2 2011 | 130 | Jun 30, 2011 | ||
| Q1 2011 | 127 | Mar 31, 2011 | ||
| Q4 2010 | 127 | Dec 31, 2010 |