| （単位：百万円） | 純利益 | 前年比（％） |
|---|---|---|
| 2025/5 | -4,247 | +271.2% |
| 2024/5 | -1,144 | -4185.7% |
| 2023/5 | 28 | -75.9% |
| 2022/5 | 116 | -604.3% |
| 2021/5 | -23 | -96.3% |
| 2020/5 | -618 | -428.7% |
| 2019/5 | 188 | -17.2% |
| 2018/5 | 227 | -136.7% |
| 2017/5 | -618 | -85.8% |
| 2016/5 | -4,353 | -6408.7% |
| 2015/5 | 69 | -106.6% |
| 2014/5 | -1,043 | -72.8% |
| 2013/5 | -3,833 | -346.8% |
| 2012/5 | 1,553 | -7.5% |
| 2011/5 | 1,679 | - |