| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q2 2024 | 69.3 | +6 | +9.48% | Jun 30, 2024 |
| Q1 2024 | 67.5 | +5.67 | +9.17% | Mar 31, 2024 |
| Q4 2023 | 66 | +4.97 | +8.15% | Dec 31, 2023 |
| Q3 2023 | 64.6 | +4.31 | +7.16% | Sep 30, 2023 |
| Q2 2023 | 63.3 | +4.18 | +7.08% | Jun 30, 2023 |
| Q1 2023 | 61.8 | +3.67 | +6.31% | Mar 31, 2023 |
| Q4 2022 | 61 | +3.38 | +5.87% | Dec 31, 2022 |
| Q3 2022 | 60.2 | +2.85 | +4.97% | Sep 30, 2022 |
| Q2 2022 | 59.1 | +2.65 | +4.7% | Jun 30, 2022 |
| Q1 2022 | 58.2 | +2.6 | +4.68% | Mar 31, 2022 |
| Q4 2021 | 57.6 | +3.89 | +7.24% | Dec 31, 2021 |
| Q3 2021 | 57.4 | +2.7 | +4.94% | Sep 30, 2021 |
| Q2 2021 | 56.4 | +1.1 | +1.99% | Jun 30, 2021 |
| Q1 2021 | 55.6 | -0.08 | -0.14% | Mar 31, 2021 |
| Q4 2020 | 53.7 | -2.3 | -4.1% | Dec 31, 2020 |
| Q3 2020 | 54.7 | +2.23 | +4.25% | Sep 30, 2020 |
| Q2 2020 | 55.3 | +4.79 | +9.48% | Jun 30, 2020 |
| Q1 2020 | 55.6 | +6.91 | +14.2% | Mar 31, 2020 |
| Q4 2019 | 56 | +8.26 | +17.3% | Dec 31, 2019 |
| Q3 2019 | 52.5 | +4.22 | +8.75% | Sep 30, 2019 |
| Q2 2019 | 50.5 | +1.49 | +3.04% | Jun 30, 2019 |
| Q1 2019 | 48.7 | -0.07 | -0.14% | Mar 31, 2019 |
| Q4 2018 | 47.8 | -3.56 | -6.94% | Dec 31, 2018 |
| Q3 2018 | 48.2 | -7.24 | -13.1% | Sep 30, 2018 |
| Q2 2018 | 49.1 | Jun 30, 2018 | ||
| Q1 2018 | 48.8 | Mar 31, 2018 | ||
| Q4 2017 | 51.3 | Dec 31, 2017 | ||
| Q3 2017 | 55.5 | Sep 30, 2017 | ||
| Q4 2014 | 54.5 | -1.9 | -3.37% | Dec 31, 2014 |
| Q3 2014 | 53.4 | -6.88 | -11.4% | Sep 30, 2014 |
| Q2 2014 | 54.1 | -17.5 | -24.4% | Jun 30, 2014 |
| Q1 2014 | 53.4 | -26.4 | -33% | Mar 31, 2014 |
| Q4 2013 | 56.4 | -33.4 | -37.2% | Dec 31, 2013 |
| Q3 2013 | 60.3 | -34.8 | -36.6% | Sep 30, 2013 |
| Q2 2013 | 71.6 | -15.9 | -18.2% | Jun 30, 2013 |
| Q1 2013 | 79.7 | -4.45 | -5.29% | Mar 31, 2013 |
| Q4 2012 | 89.7 | Dec 31, 2012 | ||
| Q3 2012 | 95.2 | Sep 30, 2012 | ||
| Q2 2012 | 87.5 | Jun 30, 2012 | ||
| Q1 2012 | 84.2 | Mar 31, 2012 |