| （単位：千円） | 純利益 | 前年比（％） |
|---|---|---|
| 2025/5 | 38,052 | -83.1% |
| 2024/5 | 224,949 | +88.9% |
| 2023/5 | 119,103 | +30.7% |
| 2022/5 | 91,105 | -43.5% |
| 2021/5 | 161,300 | -21.9% |
| 2020/5 | 206,553 | +62.6% |
| 2019/5 | 127,051 | -35.4% |
| 2018/5 | 196,625 | +47.0% |
| 2017/5 | 133,769 | -61.9% |
| 2016/5 | 351,051 | +97.7% |
| 2015/5 | 177,580 | -59.4% |
| 2014/5 | 437,055 | +23.1% |
| 2013/5 | 354,995 | +108.7% |
| 2012/5 | 170,096 | +0.7% |
| 2011/5 | 168,982 | - |