| （単位：千円） | 純利益 | 前年比（％） |
|---|---|---|
| 2025/5 | -367,000 | +7.3% |
| 2024/5 | -342,000 | -198.6% |
| 2023/5 | 347,000 | -24.2% |
| 2022/5 | 458,000 | +7.5% |
| 2021/5 | 426,000 | -26.6% |
| 2020/5 | 580,000 | +2421.7% |
| 2019/5 | 23,000 | -182.1% |
| 2018/5 | -28,000 | -500.0% |
| 2017/5 | 7,000 | -98.2% |
| 2016/5 | 382,195 | +67.7% |
| 2015/5 | 227,892 | -38.3% |
| 2014/5 | 369,094 | -61.5% |
| 2013/5 | 958,001 | +39.7% |
| 2012/5 | 685,818 | +21.8% |
| 2011/5 | 562,978 | - |