| （単位：百万円） | 純利益 | 前年比（％） |
|---|---|---|
| 2026/5 | 1,725 | -4.5% |
| 2025/5 | 1,805 | +152.3% |
| 2024/5 | 715 | +27.4% |
| 2023/5 | 561 | -54.4% |
| 2022/5 | 1,231 | +76.6% |
| 2021/5 | 697 | -34.1% |
| 2020/5 | 1,058 | +28.6% |
| 2019/5 | 822 | +4.7% |
| 2018/5 | 785 | +0.9% |
| 2017/5 | 778 | +64.1% |
| 2016/5 | 474 | -16.0% |
| 2015/5 | 564 | +10.9% |
| 2014/5 | 509 | +24.6% |
| 2013/5 | 408 | +76.2% |
| 2012/5 | 231 | -30.5% |
| 2011/5 | 333 | - |