| （単位：百万円） | 純利益 | 前年比（％） |
|---|---|---|
| 2026/5 | 492 | -49.8% |
| 2025/5 | 979 | -13.5% |
| 2024/5 | 1,132 | +15.4% |
| 2023/5 | 981 | +28.9% |
| 2022/5 | 761 | -34.3% |
| 2021/5 | 1,159 | +15.4% |
| 2020/5 | 1,004 | -27.5% |
| 2019/5 | 1,386 | +101.9% |
| 2018/5 | 686 | +74.0% |
| 2017/5 | 394 | +19.4% |
| 2016/5 | 330 | -22.2% |
| 2015/5 | 424 | +33.0% |
| 2014/5 | 319 | -23.5% |
| 2013/5 | 417 | +4.1% |
| 2012/5 | 401 | -602.4% |
| 2011/5 | -80 | - |