| （単位：千ドル） | 営業利益 | 前年比（％） |
|---|---|---|
| 2024/9 | 18,805 | -63.5% |
| 2023/9 | 51,484 | -28.0% |
| 2022/9 | 71,459 | +85.4% |
| 2021/9 | 38,548 | +1303.8% |
| 2020/9 | 2,746 | -92.1% |
| 2019/9 | 34,701 | +22.2% |
| 2018/9 | 28,396 | +22.7% |
| 2017/9 | 23,139 | +11.0% |
| 2016/9 | 20,848 | -0.1% |
| 2015/9 | 20,878 | +10.6% |
| 2014/9 | 18,875 | -14.6% |
| 2013/9 | 22,113 | +33.9% |
| 2012/9 | 16,513 | -12.1% |
| 2011/9 | 18,794 | - |