| （単位：千ドル） | 営業利益 | 前年比（％） |
|---|---|---|
| 2025/5 | -2,463 | -807.8% |
| 2024/6 | 348 | -98.6% |
| 2023/5 | 24,983 | +56.6% |
| 2022/5 | 15,957 | +452.7% |
| 2021/5 | 2,887 | -274.2% |
| 2020/5 | -1,657 | -75.5% |
| 2019/6 | -6,776 | -286.7% |
| 2018/6 | 3,629 | -163.0% |
| 2017/5 | -5,762 | -12.1% |
| 2016/5 | -6,553 | -19.0% |
| 2015/5 | -8,086 | +94.7% |
| 2014/5 | -4,153 | -37854.5% |
| 2013/6 | 11 | -99.8% |
| 2012/6 | 6,255 | - |