| （単位：百万円） | 純利益 | 前年比（％） |
|---|---|---|
| 2026/5 | -269 | +89.0% |
| 2025/5 | -143 | -85.9% |
| 2024/5 | -1,011 | -370.4% |
| 2023/5 | 373 | +158.7% |
| 2022/5 | 144 | +518.1% |
| 2021/5 | 23 | -107.6% |
| 2020/5 | -306 | +443.9% |
| 2019/5 | -57 | -78.2% |
| 2018/5 | -258 | -254.7% |
| 2017/5 | 166 | +1.3% |
| 2016/5 | 164 | +902.9% |
| 2015/5 | 16 | -84.9% |
| 2014/5 | 108 | +207.7% |
| 2013/5 | 35 | -54.1% |
| 2012/5 | 76 | -41.4% |
| 2011/5 | 131 | - |