| （単位：百万円） | 純利益 | 前年比（％） |
|---|---|---|
| 2025/5 | 246 | -83.3% |
| 2024/5 | 1,475 | -42.8% |
| 2023/5 | 2,579 | -375.3% |
| 2022/5 | -937 | +282.5% |
| 2021/5 | -245 | -22.7% |
| 2020/5 | -317 | -74.5% |
| 2019/5 | -1,241 | +1657.9% |
| 2018/5 | -71 | -82.0% |
| 2017/5 | -392 | -510.3% |
| 2016/5 | 95 | -113.1% |
| 2015/5 | -729 | +211.6% |
| 2014/5 | -234 | -14.2% |
| 2013/5 | -273 | -0.7% |
| 2012/5 | -275 | -163.1% |
| 2011/5 | 434 | - |