| （単位：千ドル） | 営業利益 | 前年比（％） |
|---|---|---|
| 2025/9 | 18,447 | +8.0% |
| 2024/9 | 17,081 | -3.4% |
| 2023/9 | 17,678 | +18.5% |
| 2022/9 | 14,916 | +0.9% |
| 2021/9 | 14,778 | +18.1% |
| 2020/9 | 12,518 | +8.0% |
| 2019/9 | 11,595 | 0.0% |
| 2018/9 | 11,593 | -0.6% |
| 2017/9 | 11,666 | +4.1% |
| 2016/9 | 11,212 | +12.1% |
| 2015/9 | 10,006 | +3.3% |
| 2014/9 | 9,681 | +10.1% |
| 2013/9 | 8,795 | +0.1% |
| 2012/9 | 8,786 | -5.7% |
| 2011/9 | 9,313 | - |