| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q4 2023 | $496M | +$29M | +6.21% | 31 Dec 2023 | 20-F | 23 Feb 2024 |
| Q4 2022 | $467M | -$76M | -14% | 31 Dec 2022 | 20-F | 23 Feb 2024 |
| Q4 2021 | $543M | +$39M | +7.74% | 31 Dec 2021 | 20-F | 24 Feb 2023 |
| Q4 2020 | $504M | -$27M | -5.09% | 31 Dec 2020 | 20-F | 25 Feb 2022 |
| Q4 2019 | $531M | +$62M | +13.2% | 31 Dec 2019 | 20-F | 26 Feb 2021 |
| Q4 2018 | $469M | -$102M | -17.9% | 31 Dec 2018 | 20-F | 26 Feb 2020 |
| Q4 2017 | $571M | +$39M | +7.33% | 31 Dec 2017 | 20-F | 28 Mar 2019 |
| Q4 2016 | $532M | -$111M | -17.3% | 31 Dec 2016 | 20-F | 23 Feb 2018 |
| Q4 2015 | $643M | -$58M | -8.27% | 31 Dec 2015 | 20-F | 13 Mar 2017 |
| Q4 2014 | $701M | -$57M | -7.52% | 31 Dec 2014 | 20-F | 25 Feb 2016 |
| Q4 2013 | $758M | -$18M | -2.32% | 31 Dec 2013 | 20-F | 05 Mar 2015 |
| Q4 2012 | $776M | -$28M | -3.48% | 31 Dec 2012 | 20-F/A | 07 Mar 2014 |
| Q4 2011 | $804M | +$37M | +4.82% | 31 Dec 2011 | 20-F | 14 Mar 2013 |
| Q4 2010 | $767M | 31 Dec 2010 | 20-F | 15 Mar 2012 |