| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q2 2024 | 70.5 | +0.38 | +0.54% | Jun 30, 2024 |
| Q1 2024 | 70.3 | -1.23 | -1.72% | Mar 31, 2024 |
| Q4 2023 | 70.2 | -2.04 | -2.82% | Dec 31, 2023 |
| Q3 2023 | 69.9 | -3.59 | -4.89% | Sep 30, 2023 |
| Q2 2023 | 70.1 | -5.08 | -6.75% | Jun 30, 2023 |
| Q1 2023 | 71.5 | -5.45 | -7.08% | Mar 31, 2023 |
| Q4 2022 | 72.2 | -6.33 | -8.06% | Dec 31, 2022 |
| Q3 2022 | 73.5 | -7.17 | -8.89% | Sep 30, 2022 |
| Q2 2022 | 75.2 | -10.9 | -12.6% | Jun 30, 2022 |
| Q1 2022 | 77 | -12.3 | -13.7% | Mar 31, 2022 |
| Q4 2021 | 78.6 | -13.9 | -15% | Dec 31, 2021 |
| Q3 2021 | 80.6 | -12.1 | -13.1% | Sep 30, 2021 |
| Q2 2021 | 86.1 | -2.41 | -2.72% | Jun 30, 2021 |
| Q1 2021 | 89.2 | +3.52 | +4.11% | Mar 31, 2021 |
| Q4 2020 | 92.4 | +8.37 | +9.96% | Dec 31, 2020 |
| Q3 2020 | 92.8 | +7.58 | +8.9% | Sep 30, 2020 |
| Q2 2020 | 88.5 | +0.81 | +0.92% | Jun 30, 2020 |
| Q1 2020 | 85.7 | -3.67 | -4.11% | Mar 31, 2020 |
| Q4 2019 | 84.1 | -7.38 | -8.07% | Dec 31, 2019 |
| Q3 2019 | 85.2 | -6.79 | -7.38% | Sep 30, 2019 |
| Q2 2019 | 87.7 | -4.65 | -5.04% | Jun 30, 2019 |
| Q1 2019 | 89.4 | -3.08 | -3.33% | Mar 31, 2019 |
| Q4 2018 | 91.4 | -0.92 | -1% | Dec 31, 2018 |
| Q3 2018 | 92 | -1.02 | -1.1% | Sep 30, 2018 |
| Q2 2018 | 92.3 | -3.98 | -4.13% | Jun 30, 2018 |
| Q1 2018 | 92.5 | -6.31 | -6.39% | Mar 31, 2018 |
| Q4 2017 | 92.4 | -11.5 | -11% | Dec 31, 2017 |
| Q3 2017 | 93 | -11.8 | -11.2% | Sep 30, 2017 |
| Q2 2017 | 96.3 | -7.39 | -7.13% | Jun 30, 2017 |
| Q1 2017 | 98.8 | -5.27 | -5.07% | Mar 31, 2017 |
| Q4 2016 | 104 | +0.19 | +0.18% | Dec 31, 2016 |
| Q3 2016 | 105 | -1.41 | -1.33% | Sep 30, 2016 |
| Q2 2016 | 104 | -4.06 | -3.77% | Jun 30, 2016 |
| Q1 2016 | 104 | -6.92 | -6.24% | Mar 31, 2016 |
| Q4 2015 | 104 | -9.88 | -8.7% | Dec 31, 2015 |
| Q3 2015 | 106 | -9.39 | -8.13% | Sep 30, 2015 |
| Q2 2015 | 108 | -11.5 | -9.61% | Jun 30, 2015 |
| Q1 2015 | 111 | -10.1 | -8.37% | Mar 31, 2015 |
| Q4 2014 | 114 | -6.35 | -5.3% | Dec 31, 2014 |
| Q3 2014 | 116 | -5.16 | -4.28% | Sep 30, 2014 |
| Q2 2014 | 119 | -3.65 | -2.97% | Jun 30, 2014 |
| Q1 2014 | 121 | -4.84 | -3.84% | Mar 31, 2014 |
| Q4 2013 | 120 | -15.5 | -11.4% | Dec 31, 2013 |
| Q3 2013 | 121 | -25.4 | -17.4% | Sep 30, 2013 |
| Q2 2013 | 123 | -32.8 | -21% | Jun 30, 2013 |
| Q1 2013 | 126 | -40 | -24.1% | Mar 31, 2013 |
| Q4 2012 | 135 | -38.1 | -22% | Dec 31, 2012 |
| Q3 2012 | 146 | -32.9 | -18.4% | Sep 30, 2012 |
| Q2 2012 | 156 | -23.1 | -12.9% | Jun 30, 2012 |
| Q1 2012 | 166 | -12.3 | -6.89% | Mar 31, 2012 |
| Q4 2011 | 173 | -2.4 | -1.37% | Dec 31, 2011 |
| Q3 2011 | 179 | Sep 30, 2011 | ||
| Q2 2011 | 179 | Jun 30, 2011 | ||
| Q1 2011 | 178 | Mar 31, 2011 | ||
| Q4 2010 | 176 | Dec 31, 2010 |