| （単位：千ドル） | 営業利益 | 前年比（％） |
|---|---|---|
| 2025/1 | 293,075 | +3.4% |
| 2024/1 | 283,343 | -358.9% |
| 2023/1 | -109,462 | -135.2% |
| 2022/1 | 311,093 | +275.5% |
| 2021/1 | 82,842 | -63.6% |
| 2020/1 | 227,654 | -1.3% |
| 2019/1 | 230,714 | +49.8% |
| 2018/1 | 153,991 | +64.8% |
| 2017/1 | 93,464 | -49.3% |
| 2016/1 | 184,484 | +11.9% |
| 2015/1 | 164,895 | +25.4% |
| 2014/1 | 131,451 | +30.8% |
| 2013/1 | 100,488 | +16.5% |
| 2012/1 | 86,224 | - |