| （単位：千ドル） | 営業利益 | 前年比（％） |
|---|---|---|
| 2025/1 | 473,764 | +28.1% |
| 2024/1 | 369,795 | +63.2% |
| 2023/1 | 226,623 | -44.5% |
| 2022/1 | 408,566 | +10186.2% |
| 2021/1 | 3,972 | -98.3% |
| 2020/1 | 231,925 | -39.2% |
| 2019/1 | 381,313 | +46.7% |
| 2018/1 | 259,892 | -23.2% |
| 2017/1 | 338,527 | -4.3% |
| 2016/1 | 353,579 | -3.2% |
| 2015/1 | 365,385 | -14.4% |
| 2014/1 | 426,831 | +14.0% |
| 2013/1 | 374,285 | +31.5% |
| 2012/1 | 284,725 | -31.3% |
| 2011/1 | 414,203 | - |