| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q4 2021 | $54.7B | -$3.71B | -6.35% | 31 Dec 2021 | 20-F | 29 Apr 2022 |
| Q4 2020 | $58.4B | 31 Dec 2020 | 20-F | 30 Apr 2021 | ||
| Q4 2018 | $46.1B | -$1.09B | -2.32% | 31 Dec 2018 | 20-F | 26 Apr 2019 |
| Q4 2017 | $47.1B | 31 Dec 2017 | 20-F | 27 Apr 2018 |