| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q1 2024 | 7.26 | -0.1 | -1.36% | Mar 31, 2024 |
| Q4 2023 | 7.1 | -0.16 | -2.21% | Dec 31, 2023 |
| Q3 2023 | 6.93 | -0.32 | -4.42% | Sep 30, 2023 |
| Q2 2023 | 6.84 | +0.03 | +0.44% | Jun 30, 2023 |
| Q1 2023 | 7.36 | +0.83 | +12.7% | Mar 31, 2023 |
| Q4 2022 | 7.26 | +0.53 | +7.88% | Dec 31, 2022 |
| Q3 2022 | 7.25 | +1.21 | +20% | Sep 30, 2022 |
| Q2 2022 | 6.81 | +0.69 | +11.3% | Jun 30, 2022 |
| Q1 2022 | 6.54 | +0.96 | +17.2% | Mar 31, 2022 |
| Q4 2021 | 6.73 | +2.09 | +45% | Dec 31, 2021 |
| Q3 2021 | 6.04 | +3.03 | +101% | Sep 30, 2021 |
| Q2 2021 | 6.12 | +3.94 | +180% | Jun 30, 2021 |
| Q1 2021 | 5.58 | +3.49 | +167% | Mar 31, 2021 |
| Q4 2020 | 4.64 | +1.95 | +72.4% | Dec 31, 2020 |
| Q3 2020 | 3.01 | -0.09 | -2.9% | Sep 30, 2020 |
| Q2 2020 | 2.18 | -3.05 | -58.3% | Jun 30, 2020 |
| Q1 2020 | 2.09 | -4.69 | -69.2% | Mar 31, 2020 |
| Q4 2019 | 2.69 | -2.97 | -52.5% | Dec 31, 2019 |
| Q3 2019 | 3.11 | -2.55 | -45.1% | Sep 30, 2019 |
| Q2 2019 | 5.23 | +0.45 | +9.42% | Jun 30, 2019 |
| Q1 2019 | 6.78 | +2.72 | +67% | Mar 31, 2019 |
| Q4 2018 | 5.66 | +0.53 | +10.3% | Dec 31, 2018 |
| Q3 2018 | 5.65 | -1.1 | -16.3% | Sep 30, 2018 |
| Q2 2018 | 4.78 | -4.86 | -50.4% | Jun 30, 2018 |
| Q1 2018 | 4.06 | -11.6 | -74.1% | Mar 31, 2018 |
| Q4 2017 | 5.13 | -10.7 | -67.5% | Dec 31, 2017 |
| Q3 2017 | 6.75 | -8.46 | -55.6% | Sep 30, 2017 |
| Q2 2017 | 9.64 | -6.72 | -41.1% | Jun 30, 2017 |
| Q1 2017 | 15.7 | -1.92 | -10.9% | Mar 31, 2017 |
| Q4 2016 | 15.8 | -2.22 | -12.3% | Dec 31, 2016 |
| Q3 2016 | 15.2 | -3.76 | -19.8% | Sep 30, 2016 |
| Q2 2016 | 16.4 | -7.28 | -30.8% | Jun 30, 2016 |
| Q1 2016 | 17.6 | -10 | -36.2% | Mar 31, 2016 |
| Q4 2015 | 18 | -14 | -43.6% | Dec 31, 2015 |
| Q3 2015 | 19 | -18.9 | -49.9% | Sep 30, 2015 |
| Q2 2015 | 23.6 | -13 | -35.4% | Jun 30, 2015 |
| Q1 2015 | 27.6 | -9.04 | -24.7% | Mar 31, 2015 |
| Q4 2014 | 32 | -0.65 | -1.99% | Dec 31, 2014 |
| Q3 2014 | 37.9 | +9.8 | +34.9% | Sep 30, 2014 |
| Q2 2014 | 36.6 | +11.4 | +45.3% | Jun 30, 2014 |
| Q1 2014 | 36.6 | +13.8 | +60.7% | Mar 31, 2014 |
| Q4 2013 | 32.6 | +1.08 | +3.43% | Dec 31, 2013 |
| Q3 2013 | 28.1 | -11.7 | -29.4% | Sep 30, 2013 |
| Q2 2013 | 25.2 | -23.7 | -48.5% | Jun 30, 2013 |
| Q1 2013 | 22.8 | -38.4 | -62.7% | Mar 31, 2013 |
| Q4 2012 | 31.5 | -43.6 | -58% | Dec 31, 2012 |
| Q3 2012 | 39.8 | -44.1 | -52.6% | Sep 30, 2012 |
| Q2 2012 | 48.9 | -53.9 | -52.4% | Jun 30, 2012 |
| Q1 2012 | 61.2 | -67.4 | -52.4% | Mar 31, 2012 |
| Q4 2011 | 75.1 | Dec 31, 2011 | ||
| Q3 2011 | 83.9 | Sep 30, 2011 | ||
| Q2 2011 | 103 | Jun 30, 2011 | ||
| Q1 2011 | 129 | Mar 31, 2011 |