| Period | Value | YoY Chg | Change % | Date | Report | Filed |
|---|---|---|---|---|---|---|
| Q4 2023 | $186M | +$13M | +7.51% | Dec 31, 2023 | 10-K | 2024-02-22 |
| Q4 2022 | $173M | -$3M | -1.71% | Dec 31, 2022 | 10-K | 2024-02-22 |
| Q4 2021 | $176M | +$15M | +9.32% | Dec 31, 2021 | 10-K | 2024-02-22 |
| Q4 2020 | $161M | +$2M | +1.26% | Dec 31, 2020 | 10-K | 2024-02-22 |
| Q4 2019 | $159M | -$6M | -3.64% | Dec 31, 2019 | 10-K | 2023-03-01 |
| Q4 2018 | $165M | -$12M | -6.78% | Dec 31, 2018 | 10-K | 2022-02-24 |
| Q4 2017 | $177M | +$31M | +21.2% | Dec 31, 2017 | 10-K | 2021-02-25 |
| Q4 2016 | $146M | -$3M | -2.01% | Dec 31, 2016 | 10-K | 2020-02-27 |
| Q4 2015 | $149M | +$24M | +19.2% | Dec 31, 2015 | 20-F | 2019-03-01 |
| Q4 2014 | $125M | -$18M | -12.6% | Dec 31, 2014 | 20-F | 2018-04-11 |
| Q4 2013 | $143M | +$4M | +2.88% | Dec 31, 2013 | 20-F | 2017-03-03 |
| Q4 2012 | $139M | -$30M | -17.8% | Dec 31, 2012 | 20-F | 2016-02-26 |
| Q4 2011 | $169M | -$26M | -13.3% | Dec 31, 2011 | 20-F | 2015-03-06 |
| Q4 2010 | $195M | Dec 31, 2010 | 20-F | 2014-02-28 |