| （単位：千ドル） | 営業利益 | 前年比（％） |
|---|---|---|
| 2025/6 | 4,433 | -25.8% |
| 2024/6 | 5,971 | +329.9% |
| 2023/6 | 1,389 | -165.0% |
| 2022/6 | -2,138 | -129.1% |
| 2021/6 | 7,339 | -0.9% |
| 2020/6 | 7,406 | +34.1% |
| 2019/6 | 5,522 | -658.9% |
| 2018/6 | -988 | -73.5% |
| 2017/6 | -3,725 | -36.6% |
| 2016/6 | -5,873 | -48.0% |
| 2015/6 | -11,286 | +178.0% |
| 2014/6 | -4,059 | -426.5% |
| 2013/6 | 1,243 | -139.7% |
| 2012/6 | -3,128 | - |