| （単位：千円） | 純利益 | 前年比（％） |
|---|---|---|
| 2025/5 | 343,138 | +61.2% |
| 2024/5 | 212,890 | -43.5% |
| 2023/5 | 376,829 | -2.8% |
| 2022/5 | 387,550 | -1.0% |
| 2021/5 | 391,561 | +41.8% |
| 2020/5 | 276,205 | -33.0% |
| 2019/5 | 412,495 | +4.9% |
| 2018/5 | 393,275 | +3.7% |
| 2017/5 | 379,113 | +6.6% |
| 2016/5 | 355,688 | +54.9% |
| 2015/5 | 229,628 | +20.8% |
| 2014/5 | 190,113 | +26.6% |
| 2013/5 | 150,172 | +34.9% |
| 2012/5 | 111,358 | +29.9% |
| 2011/5 | 85,717 | - |