| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q4 2023 | 7.83 | -1.28 | -14.1% | Dec 31, 2023 |
| Q3 2023 | 8.76 | -0.31 | -3.42% | Sep 30, 2023 |
| Q2 2023 | 7.75 | -1.69 | -17.9% | Jun 30, 2023 |
| Q1 2023 | 8.45 | -1.63 | -16.2% | Mar 31, 2023 |
| Q4 2022 | 9.11 | -1.91 | -17.3% | Dec 31, 2022 |
| Q3 2022 | 9.07 | -3.04 | -25.1% | Sep 30, 2022 |
| Q2 2022 | 9.44 | -4.58 | -32.7% | Jun 30, 2022 |
| Q1 2022 | 10.1 | -6.39 | -38.8% | Mar 31, 2022 |
| Q4 2021 | 11 | -6.61 | -37.5% | Dec 31, 2021 |
| Q3 2021 | 12.1 | -7.73 | -39% | Sep 30, 2021 |
| Q2 2021 | 14 | -7.48 | -34.8% | Jun 30, 2021 |
| Q1 2021 | 16.5 | -5.22 | -24.1% | Mar 31, 2021 |
| Q4 2020 | 17.6 | -5.58 | -24% | Dec 31, 2020 |
| Q3 2020 | 19.8 | -4.32 | -17.9% | Sep 30, 2020 |
| Q2 2020 | 21.5 | -1.97 | -8.39% | Jun 30, 2020 |
| Q1 2020 | 21.7 | +0.97 | +4.68% | Mar 31, 2020 |
| Q4 2019 | 23.2 | +7.26 | +45.5% | Dec 31, 2019 |
| Q3 2019 | 24.2 | +12.5 | +107% | Sep 30, 2019 |
| Q2 2019 | 23.5 | +14.5 | +163% | Jun 30, 2019 |
| Q1 2019 | 20.7 | +13.4 | +184% | Mar 31, 2019 |
| Q4 2018 | 16 | +9.77 | +158% | Dec 31, 2018 |
| Q3 2018 | 11.7 | +6.55 | +129% | Sep 30, 2018 |
| Q2 2018 | 8.94 | +5.18 | +138% | Jun 30, 2018 |
| Q1 2018 | 7.29 | +2.63 | +56.5% | Mar 31, 2018 |
| Q4 2017 | 6.18 | +0.85 | +16% | Dec 31, 2017 |
| Q3 2017 | 5.09 | +0.29 | +6.04% | Sep 30, 2017 |
| Q2 2017 | 3.76 | -1.36 | -26.6% | Jun 30, 2017 |
| Q1 2017 | 4.66 | +0.16 | +3.56% | Mar 31, 2017 |
| Q4 2016 | 5.33 | -0.2 | -3.62% | Dec 31, 2016 |
| Q3 2016 | 4.8 | -2.1 | -30.4% | Sep 30, 2016 |
| Q2 2016 | 5.12 | -2.9 | -36.2% | Jun 30, 2016 |
| Q1 2016 | 4.5 | -20.7 | -82.2% | Mar 31, 2016 |
| Q4 2015 | 5.53 | -33.8 | -85.9% | Dec 31, 2015 |
| Q3 2015 | 6.9 | -51.2 | -88.1% | Sep 30, 2015 |
| Q2 2015 | 8.02 | -96 | -92.3% | Jun 30, 2015 |
| Q1 2015 | 25.2 | -38.7 | -60.5% | Mar 31, 2015 |
| Q4 2014 | 39.3 | -19.2 | -32.8% | Dec 31, 2014 |
| Q3 2014 | 58.1 | -23.9 | -29.1% | Sep 30, 2014 |
| Q2 2014 | 104 | +11.4 | +12.3% | Jun 30, 2014 |
| Q1 2014 | 64 | -57.9 | -47.5% | Mar 31, 2014 |
| Q4 2013 | 58.5 | -132 | -69.3% | Dec 31, 2013 |
| Q3 2013 | 82 | -70.3 | -46.2% | Sep 30, 2013 |
| Q2 2013 | 92.6 | -61.4 | -39.9% | Jun 30, 2013 |
| Q1 2013 | 122 | -4.14 | -3.29% | Mar 31, 2013 |
| Q4 2012 | 190 | Dec 31, 2012 | ||
| Q3 2012 | 152 | Sep 30, 2012 | ||
| Q2 2012 | 154 | Jun 30, 2012 | ||
| Q1 2012 | 126 | Mar 31, 2012 |