| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q3 2024 | 74.2 | +3.1 | +4.36% | Sep 30, 2024 |
| Q2 2024 | 72.8 | +1.41 | +1.97% | Jun 30, 2024 |
| Q1 2024 | 71.8 | +1.82 | +2.6% | Mar 31, 2024 |
| Q4 2023 | 71.9 | +1.82 | +2.6% | Dec 31, 2023 |
| Q3 2023 | 71.1 | +0.56 | +0.79% | Sep 30, 2023 |
| Q2 2023 | 71.4 | -0.76 | -1.05% | Jun 30, 2023 |
| Q1 2023 | 70 | -3.59 | -4.88% | Mar 31, 2023 |
| Q4 2022 | 70.1 | -4.8 | -6.41% | Dec 31, 2022 |
| Q3 2022 | 70.5 | -5.6 | -7.36% | Sep 30, 2022 |
| Q2 2022 | 72.2 | -3.45 | -4.56% | Jun 30, 2022 |
| Q1 2022 | 73.6 | -1.72 | -2.28% | Mar 31, 2022 |
| Q4 2021 | 74.9 | +0.14 | +0.19% | Dec 31, 2021 |
| Q3 2021 | 76.1 | +3.54 | +4.88% | Sep 30, 2021 |
| Q2 2021 | 75.6 | +3.33 | +4.61% | Jun 30, 2021 |
| Q1 2021 | 75.3 | +3.59 | +5% | Mar 31, 2021 |
| Q4 2020 | 74.7 | +2.95 | +4.11% | Dec 31, 2020 |
| Q3 2020 | 72.6 | +0.98 | +1.37% | Sep 30, 2020 |
| Q2 2020 | 72.3 | +0.4 | +0.56% | Jun 30, 2020 |
| Q1 2020 | 71.7 | -0.4 | -0.55% | Mar 31, 2020 |
| Q4 2019 | 71.8 | -0.98 | -1.35% | Dec 31, 2019 |
| Q3 2019 | 71.6 | -4.02 | -5.32% | Sep 30, 2019 |
| Q2 2019 | 71.9 | -3.37 | -4.48% | Jun 30, 2019 |
| Q1 2019 | 72.1 | -2.75 | -3.67% | Mar 31, 2019 |
| Q4 2018 | 72.7 | -1.66 | -2.23% | Dec 31, 2018 |
| Q3 2018 | 75.6 | +4.39 | +6.16% | Sep 30, 2018 |
| Q2 2018 | 75.3 | +3.62 | +5.05% | Jun 30, 2018 |
| Q1 2018 | 74.9 | +4.67 | +6.65% | Mar 31, 2018 |
| Q4 2017 | 74.4 | +4.98 | +7.17% | Dec 31, 2017 |
| Q3 2017 | 71.2 | +3.33 | +4.91% | Sep 30, 2017 |
| Q2 2017 | 71.7 | +4.57 | +6.81% | Jun 30, 2017 |
| Q1 2017 | 70.2 | +5.75 | +8.92% | Mar 31, 2017 |
| Q4 2016 | 69.4 | +5.01 | +7.78% | Dec 31, 2016 |
| Q3 2016 | 67.9 | +4.71 | +7.46% | Sep 30, 2016 |
| Q2 2016 | 67.1 | +1.63 | +2.49% | Jun 30, 2016 |
| Q1 2016 | 64.5 | -2.22 | -3.33% | Mar 31, 2016 |
| Q4 2015 | 64.4 | -3.34 | -4.93% | Dec 31, 2015 |
| Q3 2015 | 63.2 | -3.39 | -5.09% | Sep 30, 2015 |
| Q2 2015 | 65.5 | +1.35 | +2.11% | Jun 30, 2015 |
| Q1 2015 | 66.7 | +3.73 | +5.92% | Mar 31, 2015 |
| Q4 2014 | 67.8 | +6.63 | +10.8% | Dec 31, 2014 |
| Q3 2014 | 66.6 | +4.43 | +7.13% | Sep 30, 2014 |
| Q2 2014 | 64.1 | -0.12 | -0.19% | Jun 30, 2014 |
| Q1 2014 | 63 | +5.31 | +9.21% | Mar 31, 2014 |
| Q4 2013 | 61.1 | +0.45 | +0.74% | Dec 31, 2013 |
| Q3 2013 | 62.1 | -0.09 | -0.15% | Sep 30, 2013 |
| Q2 2013 | 64.2 | -0.28 | -0.43% | Jun 30, 2013 |
| Q1 2013 | 57.7 | -19.6 | -25.4% | Mar 31, 2013 |
| Q4 2012 | 60.7 | -14.3 | -19% | Dec 31, 2012 |
| Q3 2012 | 62.2 | -10.7 | -14.7% | Sep 30, 2012 |
| Q2 2012 | 64.5 | -4.99 | -7.18% | Jun 30, 2012 |
| Q1 2012 | 77.3 | +11.8 | +18.1% | Mar 31, 2012 |
| Q4 2011 | 74.9 | Dec 31, 2011 | ||
| Q3 2011 | 73 | Sep 30, 2011 | ||
| Q2 2011 | 69.5 | Jun 30, 2011 | ||
| Q1 2011 | 65.5 | Mar 31, 2011 |