| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q2 2024 | 14.8 | +1.19 | +8.73% | Jun 30, 2024 |
| Q1 2024 | 15.3 | +2.38 | +18.4% | Mar 31, 2024 |
| Q4 2023 | 15.4 | +3.35 | +27.8% | Dec 31, 2023 |
| Q3 2023 | 14.7 | +2.35 | +19.1% | Sep 30, 2023 |
| Q2 2023 | 13.6 | +0.45 | +3.41% | Jun 30, 2023 |
| Q1 2023 | 12.9 | -0.18 | -1.37% | Mar 31, 2023 |
| Q4 2022 | 12.1 | -1.62 | -11.9% | Dec 31, 2022 |
| Q3 2022 | 12.3 | -2.89 | -19% | Sep 30, 2022 |
| Q2 2022 | 13.2 | -3.16 | -19.3% | Jun 30, 2022 |
| Q1 2022 | 13.1 | -6.01 | -31.4% | Mar 31, 2022 |
| Q4 2021 | 13.7 | -8.37 | -38% | Dec 31, 2021 |
| Q3 2021 | 15.2 | -9.35 | -38.1% | Sep 30, 2021 |
| Q2 2021 | 16.4 | -9.54 | -36.9% | Jun 30, 2021 |
| Q1 2021 | 19.1 | -8.75 | -31.4% | Mar 31, 2021 |
| Q4 2020 | 22 | -4.27 | -16.2% | Dec 31, 2020 |
| Q3 2020 | 24.6 | +0.04 | +0.16% | Sep 30, 2020 |
| Q2 2020 | 25.9 | +1.4 | +5.72% | Jun 30, 2020 |
| Q1 2020 | 27.9 | +5.32 | +23.6% | Mar 31, 2020 |
| Q4 2019 | 26.3 | +3.8 | +16.9% | Dec 31, 2019 |
| Q3 2019 | 24.5 | +2.43 | +11% | Sep 30, 2019 |
| Q2 2019 | 24.5 | +1.82 | +8.03% | Jun 30, 2019 |
| Q1 2019 | 22.6 | -1.7 | -7.01% | Mar 31, 2019 |
| Q4 2018 | 22.5 | -3.74 | -14.3% | Dec 31, 2018 |
| Q3 2018 | 22.1 | -6.09 | -21.6% | Sep 30, 2018 |
| Q2 2018 | 22.7 | -6.16 | -21.4% | Jun 30, 2018 |
| Q1 2018 | 24.3 | -4.62 | -16% | Mar 31, 2018 |
| Q4 2017 | 26.2 | -3.49 | -11.7% | Dec 31, 2017 |
| Q3 2017 | 28.2 | -4.53 | -13.8% | Sep 30, 2017 |
| Q2 2017 | 28.8 | -7.99 | -21.7% | Jun 30, 2017 |
| Q1 2017 | 28.9 | -18 | -38.4% | Mar 31, 2017 |
| Q4 2016 | 29.7 | -29.2 | -49.5% | Dec 31, 2016 |
| Q3 2016 | 32.7 | -37.7 | -53.6% | Sep 30, 2016 |
| Q2 2016 | 36.8 | -38.2 | -50.9% | Jun 30, 2016 |
| Q1 2016 | 46.9 | -23.6 | -33.4% | Mar 31, 2016 |
| Q4 2015 | 58.9 | -9.7 | -14.1% | Dec 31, 2015 |
| Q3 2015 | 70.4 | +3.47 | +5.18% | Sep 30, 2015 |
| Q2 2015 | 75 | +6.91 | +10.1% | Jun 30, 2015 |
| Q1 2015 | 70.5 | -4.11 | -5.51% | Mar 31, 2015 |
| Q4 2014 | 68.6 | -8.32 | -10.8% | Dec 31, 2014 |
| Q3 2014 | 67 | -8.76 | -11.6% | Sep 30, 2014 |
| Q2 2014 | 68.1 | -5.04 | -6.89% | Jun 30, 2014 |
| Q1 2014 | 74.6 | +6.22 | +9.1% | Mar 31, 2014 |
| Q4 2013 | 76.9 | +12.7 | +19.8% | Dec 31, 2013 |
| Q3 2013 | 75.7 | +14.5 | +23.7% | Sep 30, 2013 |
| Q2 2013 | 73.2 | +14.3 | +24.4% | Jun 30, 2013 |
| Q1 2013 | 68.3 | +15.1 | +28.4% | Mar 31, 2013 |
| Q4 2012 | 64.2 | Dec 31, 2012 | ||
| Q3 2012 | 61.2 | Sep 30, 2012 | ||
| Q2 2012 | 58.8 | Jun 30, 2012 | ||
| Q1 2012 | 53.2 | Mar 31, 2012 |