| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q3 2023 | $495M | -$46.2M | -8.53% | Sep 30, 2023 | 6-K | 2023-11-28 |
| Q2 2023 | $521M | -$63.7M | -10.9% | Jun 30, 2023 | 6-K | 2023-08-01 |
| Q1 2023 | $510M | -$22.1M | -4.15% | Mar 31, 2023 | 6-K | 2023-05-02 |
| Q4 2022 | $522M | +$9.92M | +1.94% | Dec 31, 2022 | 6-K | 2023-11-28 |
| Q3 2022 | $542M | -$11.1M | -2.01% | Sep 30, 2022 | 6-K | 2022-11-01 |
| Q2 2022 | $585M | -$23.7M | -3.89% | Jun 30, 2022 | 6-K | 2022-08-09 |
| Q1 2022 | $532M | +$132M | +33% | Mar 31, 2022 | 6-K | 2022-05-12 |
| Q4 2021 | $512M | +$126M | +32.8% | Dec 31, 2021 | 20-F | 2023-02-14 |
| Q3 2021 | $553M | +$153M | +38.4% | Sep 30, 2021 | 6-K | 2021-11-12 |
| Q2 2021 | $608M | +$178M | +41.4% | Jun 30, 2021 | 6-K | 2021-08-12 |
| Q1 2021 | $400M | +$15.3M | +3.98% | Mar 31, 2021 | 6-K | 2021-05-13 |
| Q4 2020 | $385M | -$36M | -8.54% | Dec 31, 2020 | 20-F | 2022-03-17 |
| Q3 2020 | $399M | Sep 30, 2020 | 6-K | 2020-11-19 | ||
| Q2 2020 | $430M | Jun 30, 2020 | 6-K | 2020-08-20 | ||
| Q1 2020 | $385M | Mar 31, 2020 | 6-K | 2020-05-15 | ||
| Q4 2019 | $421M | +$23M | +5.77% | Dec 31, 2019 | 20-F | 2021-03-18 |
| Q4 2018 | $398M | +$63.1M | +18.8% | Dec 31, 2018 | 20-F | 2020-03-30 |
| Q4 2017 | $335M | +$20.6M | +6.56% | Dec 31, 2017 | 20-F | 2019-03-25 |
| Q4 2016 | $315M | -$44.1M | -12.3% | Dec 31, 2016 | 20-F | 2018-03-14 |
| Q4 2015 | $359M | +$19.3M | +5.67% | Dec 31, 2015 | 20-F | 2017-03-27 |
| Q4 2014 | $340M | -$3.02M | -0.88% | Dec 31, 2014 | 20-F | 2016-03-11 |
| Q4 2013 | $343M | +$61.3M | +21.8% | Dec 31, 2013 | 20-F | 2015-03-13 |
| Q4 2012 | $281M | +$61.4M | +27.9% | Dec 31, 2012 | 20-F | 2014-03-19 |
| Q3 2012 | $278M | +$73M | +35.7% | Sep 30, 2012 | 6-K | 2012-11-13 |
| Q2 2012 | $246M | +$47.8M | +24.1% | Jun 30, 2012 | 6-K | 2012-08-14 |
| Q1 2012 | $219M | +$27.1M | +14.1% | Mar 31, 2012 | 6-K | 2012-05-11 |
| Q4 2011 | $220M | +$66.3M | +43.2% | Dec 31, 2011 | 20-F | 2013-03-15 |
| Q3 2011 | $205M | +$60.1M | +41.6% | Sep 30, 2011 | 6-K | 2011-11-14 |
| Q2 2011 | $198M | +$53.9M | +37.4% | Jun 30, 2011 | 6-K | 2011-08-12 |
| Q1 2011 | $192M | +$48.2M | +33.6% | Mar 31, 2011 | 6-K | 2011-05-17 |
| Q4 2010 | $153M | Dec 31, 2010 | 20-F | 2012-03-15 | ||
| Q3 2010 | $145M | Sep 30, 2010 | 6-K | 2010-11-12 | ||
| Q2 2010 | $144M | Jun 30, 2010 | 6-K | 2010-08-12 | ||
| Q1 2010 | $144M | Mar 31, 2010 | 6-K | 2010-05-13 |