| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q1 2024 | 4.24 | +0.64 | +17.8% | Mar 31, 2024 |
| Q4 2023 | 4.19 | +0.1 | +2.44% | Dec 31, 2023 |
| Q3 2023 | 4.15 | +0.47 | +12.8% | Sep 30, 2023 |
| Q2 2023 | 3.95 | -0.31 | -7.28% | Jun 30, 2023 |
| Q1 2023 | 3.6 | -1.9 | -34.6% | Mar 31, 2023 |
| Q4 2022 | 4.09 | -1.96 | -32.4% | Dec 31, 2022 |
| Q3 2022 | 3.68 | -3.7 | -50.1% | Sep 30, 2022 |
| Q2 2022 | 4.26 | -3.93 | -48% | Jun 30, 2022 |
| Q1 2022 | 5.5 | -2.74 | -33.3% | Mar 31, 2022 |
| Q4 2021 | 6.05 | -2.27 | -27.3% | Dec 31, 2021 |
| Q3 2021 | 7.38 | -1.33 | -15.3% | Sep 30, 2021 |
| Q2 2021 | 8.19 | -1.24 | -13.1% | Jun 30, 2021 |
| Q1 2021 | 8.24 | -2.32 | -22% | Mar 31, 2021 |
| Q4 2020 | 8.32 | -3.68 | -30.7% | Dec 31, 2020 |
| Q3 2020 | 8.71 | -5.11 | -37% | Sep 30, 2020 |
| Q2 2020 | 9.43 | -3.18 | -25.2% | Jun 30, 2020 |
| Q1 2020 | 10.6 | -0.92 | -8.02% | Mar 31, 2020 |
| Q4 2019 | 12 | +1.31 | +12.2% | Dec 31, 2019 |
| Q3 2019 | 13.8 | +3.71 | +36.7% | Sep 30, 2019 |
| Q2 2019 | 12.6 | +1.82 | +16.9% | Jun 30, 2019 |
| Q1 2019 | 11.5 | -0.14 | -1.21% | Mar 31, 2019 |
| Q4 2018 | 10.7 | -1.43 | -11.8% | Dec 31, 2018 |
| Q3 2018 | 10.1 | -2.8 | -21.7% | Sep 30, 2018 |
| Q2 2018 | 10.8 | -3.88 | -26.4% | Jun 30, 2018 |
| Q1 2018 | 11.6 | -5.37 | -31.6% | Mar 31, 2018 |
| Q4 2017 | 12.1 | -8.45 | -41.1% | Dec 31, 2017 |
| Q3 2017 | 12.9 | -12.9 | -49.9% | Sep 30, 2017 |
| Q2 2017 | 14.7 | -12.3 | -45.6% | Jun 30, 2017 |
| Q1 2017 | 17 | -10.9 | -39.1% | Mar 31, 2017 |
| Q4 2016 | 20.6 | -8.07 | -28.2% | Dec 31, 2016 |
| Q3 2016 | 25.8 | -3.99 | -13.4% | Sep 30, 2016 |
| Q2 2016 | 26.9 | -3.28 | -10.9% | Jun 30, 2016 |
| Q1 2016 | 27.9 | -3.13 | -10.1% | Mar 31, 2016 |
| Q4 2015 | 28.7 | -3.31 | -10.4% | Dec 31, 2015 |
| Q3 2015 | 29.8 | -2.4 | -7.45% | Sep 30, 2015 |
| Q2 2015 | 30.2 | -1.99 | -6.18% | Jun 30, 2015 |
| Q1 2015 | 31 | +4.44 | +16.7% | Mar 31, 2015 |
| Q4 2014 | 32 | +8.81 | +38.1% | Dec 31, 2014 |
| Q3 2014 | 32.2 | +12 | +59.6% | Sep 30, 2014 |
| Q2 2014 | 32.2 | +14.1 | +77.8% | Jun 30, 2014 |
| Q1 2014 | 26.6 | +5.2 | +24.3% | Mar 31, 2014 |
| Q4 2013 | 23.2 | -2.37 | -9.29% | Dec 31, 2013 |
| Q3 2013 | 20.2 | -10.9 | -35% | Sep 30, 2013 |
| Q2 2013 | 18.1 | -21.6 | -54.4% | Jun 30, 2013 |
| Q1 2013 | 21.4 | -17.9 | -45.6% | Mar 31, 2013 |
| Q4 2012 | 25.5 | -13.3 | -34.3% | Dec 31, 2012 |
| Q3 2012 | 31.1 | -6.8 | -18% | Sep 30, 2012 |
| Q2 2012 | 39.7 | +3.04 | +8.28% | Jun 30, 2012 |
| Q1 2012 | 39.3 | +3.38 | +9.41% | Mar 31, 2012 |
| Q4 2011 | 38.8 | +3.07 | +8.59% | Dec 31, 2011 |
| Q3 2011 | 37.9 | Sep 30, 2011 | ||
| Q2 2011 | 36.7 | Jun 30, 2011 | ||
| Q1 2011 | 35.9 | Mar 31, 2011 | ||
| Q4 2010 | 35.8 | Dec 31, 2010 |