| （単位：千ドル） | 営業利益 | 前年比（％） |
|---|---|---|
| 2025/1 | 4,008 | -97.6% |
| 2024/1 | 168,845 | +22.1% |
| 2023/1 | 138,323 | +53.4% |
| 2022/1 | 90,182 | +141.1% |
| 2021/1 | 37,408 | +75.4% |
| 2020/1 | 21,332 | -22.4% |
| 2019/1 | 27,481 | +2870.9% |
| 2018/1 | 925 | -139.0% |
| 2017/1 | -2,372 | -89.7% |
| 2016/1 | -23,110 | -3296.4% |
| 2015/1 | 723 | -98.5% |
| 2014/1 | 46,875 | -48.9% |
| 2013/1 | 91,804 | +12.5% |
| 2012/1 | 81,601 | - |