| （単位：千ドル） | 営業利益 | 前年比（％） |
|---|---|---|
| 2024/12 | 4,377 | -7.8% |
| 2023/12 | 4,749 | -14.0% |
| 2022/12 | 5,524 | -19.1% |
| 2021/12 | 6,828 | +25.0% |
| 2020/12 | 5,463 | +8.4% |
| 2019/12 | 5,040 | -5.8% |
| 2018/12 | 5,350 | +14.2% |
| 2017/12 | 4,686 | -10.0% |
| 2016/12 | 5,206 | -18.9% |
| 2015/12 | 6,416 | -14.0% |
| 2014/12 | 7,457 | +245.4% |
| 2013/12 | 2,159 | -50.6% |
| 2012/12 | 4,372 | +11.1% |
| 2011/12 | 3,935 | - |