| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q4 2023 | $943M | -$227M | -19.4% | Dec 31, 2023 | 20-F | 2024-02-23 |
| Q4 2022 | $1.17B | -$152M | -11.5% | Dec 31, 2022 | 20-F | 2024-02-23 |
| Q4 2021 | $1.32B | +$24M | +1.85% | Dec 31, 2021 | 20-F | 2024-02-23 |
| Q4 2020 | $1.3B | +$192M | +17.4% | Dec 31, 2020 | 20-F | 2024-02-23 |
| Q4 2019 | $1.11B | +$145M | +15.1% | Dec 31, 2019 | 20-F | 2023-02-24 |
| Q4 2018 | $961M | -$64M | -6.24% | Dec 31, 2018 | 20-F | 2022-02-25 |
| Q4 2017 | $1.03B | +$265M | +34.9% | Dec 31, 2017 | 20-F | 2021-02-26 |
| Q4 2016 | $760M | +$16M | +2.15% | Dec 31, 2016 | 20-F | 2020-02-26 |
| Q4 2015 | $744M | +$39M | +5.53% | Dec 31, 2015 | 20-F | 2019-03-28 |
| Q4 2014 | $705M | -$28M | -3.82% | Dec 31, 2014 | 20-F | 2018-02-23 |
| Q4 2013 | $733M | +$64M | +9.57% | Dec 31, 2013 | 20-F | 2017-03-13 |
| Q4 2012 | $669M | +$16M | +2.45% | Dec 31, 2012 | 20-F | 2016-02-25 |
| Q4 2011 | $653M | -$61M | -8.54% | Dec 31, 2011 | 20-F | 2015-03-05 |
| Q4 2010 | $714M | Dec 31, 2010 | 20-F/A | 2014-03-07 |