| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q4 2023 | $945M | -$76.6M | -7.49% | Dec 31, 2023 | 20-F | 2024-03-15 |
| Q4 2022 | $1.02B | -$31.8M | -3.01% | Dec 31, 2022 | 20-F | 2024-03-15 |
| Q4 2021 | $1.05B | -$3.52M | -0.33% | Dec 31, 2021 | 20-F | 2023-03-31 |
| Q3 2021 | $1.05B | -$3.05M | -0.29% | Sep 30, 2021 | 6-K | 2021-11-10 |
| Q2 2021 | $1.05B | -$1.99M | -0.19% | Jun 30, 2021 | 6-K | 2021-08-13 |
| Q4 2020 | $1.06B | +$5.04M | +0.48% | Dec 31, 2020 | 20-F | 2022-04-06 |
| Q3 2020 | $1.06B | +$5.22M | +0.5% | Sep 30, 2020 | 6-K | 2020-11-24 |
| Q2 2020 | $1.05B | +$5.36M | +0.51% | Jun 30, 2020 | 6-K | 2020-08-27 |
| Q4 2019 | $1.05B | +$6.63M | +0.63% | Dec 31, 2019 | 20-F | 2021-04-01 |
| Q3 2019 | $1.05B | +$4.82M | +0.46% | Sep 30, 2019 | 6-K | 2019-11-26 |
| Q2 2019 | $1.05B | +$4.78M | +0.46% | Jun 30, 2019 | 6-K | 2019-08-12 |
| Q4 2018 | $1.05B | +$127M | +13.8% | Dec 31, 2018 | 20-F | 2020-04-09 |
| Q3 2018 | $1.05B | +$154M | +17.3% | Sep 30, 2018 | 6-K | 2018-11-28 |
| Q2 2018 | $1.04B | +$154M | +17.3% | Jun 30, 2018 | 6-K/A | 2018-09-17 |
| Q4 2017 | $919M | +$32M | +3.61% | Dec 31, 2017 | 20-F | 2019-04-01 |
| Q3 2017 | $892M | Sep 30, 2017 | 6-K | 2017-11-22 | ||
| Q2 2017 | $891M | +$15.5M | +1.77% | Jun 30, 2017 | 6-K/A | 2017-09-11 |
| Q4 2016 | $887M | +$112M | +14.5% | Dec 31, 2016 | 20-F | 2018-04-30 |
| Q2 2016 | $875M | +$103M | +13.3% | Jun 30, 2016 | 6-K/A | 2016-09-21 |
| Q4 2015 | $775M | +$4.26M | +0.55% | Dec 31, 2015 | 20-F/A | 2017-11-28 |
| Q2 2015 | $773M | +$16.5M | +2.19% | Jun 30, 2015 | 6-K/A | 2015-09-29 |
| Q4 2014 | $771M | +$57M | +7.99% | Dec 31, 2014 | 20-F | 2016-04-26 |
| Q2 2014 | $756M | +$55.6M | +7.94% | Jun 30, 2014 | 6-K/A | 2014-12-05 |
| Q4 2013 | $714M | +$31.8M | +4.67% | Dec 31, 2013 | 20-F | 2015-04-29 |
| Q2 2013 | $700M | Jun 30, 2013 | 6-K/A | 2013-12-09 | ||
| Q4 2012 | $682M | Dec 31, 2012 | 20-F | 2014-04-28 |