| （単位：千ドル） | 営業利益 | 前年比（％） |
|---|---|---|
| 2025/5 | -17,245 | +95.0% |
| 2024/5 | -8,844 | -59.4% |
| 2023/5 | -21,796 | -47.2% |
| 2022/5 | -41,294 | +206.0% |
| 2021/5 | -13,496 | -65.0% |
| 2020/5 | -38,537 | -803.9% |
| 2019/5 | 5,475 | -59.7% |
| 2018/5 | 13,587 | -12.4% |
| 2017/5 | 15,505 | -178.4% |
| 2016/5 | -19,786 | -207.2% |
| 2015/5 | 18,461 | -8.6% |
| 2014/5 | 20,190 | -18.8% |
| 2013/5 | 24,868 | +70.6% |
| 2012/5 | 14,577 | - |