| （単位：千ドル） | 営業利益 | 前年比（％） |
|---|---|---|
| 2026/1 | 29,829 | +49.0% |
| 2025/1 | 20,015 | -63.4% |
| 2024/1 | 54,705 | -54.5% |
| 2023/1 | 120,354 | +2.4% |
| 2022/1 | 117,491 | -182.7% |
| 2021/1 | -142,127 | -430.6% |
| 2020/1 | 42,991 | -30.9% |
| 2019/1 | 62,197 | +44.0% |
| 2018/1 | 43,200 | -20.0% |
| 2017/1 | 53,981 | -23.0% |
| 2016/1 | 70,107 | -1.9% |
| 2015/1 | 71,487 | +5.5% |
| 2014/1 | 67,742 | - |
| 2012/1 | 33,563 | - |