| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q4 2023 | -$213M | +$183M | +46.2% | Dec 31, 2023 | 20-F | 2024-03-15 |
| Q4 2022 | -$397M | +$117M | +22.7% | Dec 31, 2022 | 20-F | 2024-03-15 |
| Q4 2021 | -$513M | +$13.8M | +2.62% | Dec 31, 2021 | 20-F | 2023-03-31 |
| Q3 2021 | -$502M | +$5.64M | +1.11% | Sep 30, 2021 | 6-K | 2021-11-10 |
| Q2 2021 | -$499M | -$26.5M | -5.62% | Jun 30, 2021 | 6-K | 2021-08-13 |
| Q4 2020 | -$527M | +$19.7M | +3.6% | Dec 31, 2020 | 20-F | 2022-04-06 |
| Q3 2020 | -$507M | +$50.6M | +9.06% | Sep 30, 2020 | 6-K | 2020-11-24 |
| Q2 2020 | -$472M | -$111M | -30.8% | Jun 30, 2020 | 6-K | 2020-08-27 |
| Q4 2019 | -$547M | -$312M | -133% | Dec 31, 2019 | 20-F | 2021-04-01 |
| Q3 2019 | -$558M | -$347M | -164% | Sep 30, 2019 | 6-K | 2019-11-26 |
| Q2 2019 | -$361M | -$167M | -86.4% | Jun 30, 2019 | 6-K | 2019-08-12 |
| Q4 2018 | -$234M | -$98.5M | -72.5% | Dec 31, 2018 | 20-F | 2020-04-09 |
| Q3 2018 | -$211M | -$118M | -125% | Sep 30, 2018 | 6-K | 2018-11-28 |
| Q2 2018 | -$194M | -$118M | -155% | Jun 30, 2018 | 6-K/A | 2018-09-17 |
| Q4 2017 | -$136M | -$159M | -694% | Dec 31, 2017 | 20-F | 2019-04-01 |
| Q3 2017 | -$93.8M | Sep 30, 2017 | 6-K | 2017-11-22 | ||
| Q2 2017 | -$75.9M | -$108M | -338% | Jun 30, 2017 | 6-K/A | 2017-09-11 |
| Q4 2016 | $22.9M | -$136M | -85.6% | Dec 31, 2016 | 20-F | 2018-04-30 |
| Q2 2016 | $31.9M | -$339M | -91.4% | Jun 30, 2016 | 6-K/A | 2016-09-21 |
| Q4 2015 | $159M | -$197M | -55.3% | Dec 31, 2015 | 20-F/A | 2017-11-28 |
| Q2 2015 | $371M | +$24.9M | +7.2% | Jun 30, 2015 | 6-K/A | 2015-09-29 |
| Q4 2014 | $356M | -$79.4M | -18.2% | Dec 31, 2014 | 20-F | 2016-04-26 |
| Q2 2014 | $346M | -$217M | -38.5% | Jun 30, 2014 | 6-K/A | 2014-12-05 |
| Q4 2013 | $435M | -$213M | -32.9% | Dec 31, 2013 | 20-F | 2015-04-29 |
| Q2 2013 | $563M | Jun 30, 2013 | 6-K/A | 2013-12-09 | ||
| Q4 2012 | $648M | -$155M | -19.3% | Dec 31, 2012 | 20-F | 2014-04-28 |
| Q4 2011 | $803M | -$511M | -38.9% | Dec 31, 2011 | 20-F | 2013-04-29 |
| Q4 2010 | $1.31B | Dec 31, 2010 | 20-F | 2012-04-25 |