| （単位：千円） | 純利益 | 前年比（％） |
|---|---|---|
| 2025/5 | 321,372 | +40.1% |
| 2024/5 | 229,458 | -149.5% |
| 2023/5 | -463,533 | -48.8% |
| 2022/5 | -905,533 | -381.8% |
| 2021/5 | 321,317 | -17.7% |
| 2020/5 | 390,597 | +64.0% |
| 2019/5 | 238,180 | -62.9% |
| 2018/5 | 641,513 | +50.7% |
| 2017/5 | 425,720 | +480.0% |
| 2016/5 | 73,396 | -248.2% |
| 2015/5 | -49,535 | +43.7% |
| 2014/5 | -34,466 | -154.9% |
| 2013/5 | 62,797 | -69.0% |
| 2012/5 | 202,509 | +26.3% |
| 2011/5 | 160,399 | - |