| （単位：百万円） | 純利益 | 前年比（％） |
|---|---|---|
| 2026/5 | 1,876 | +12.4% |
| 2025/5 | 1,669 | +76.7% |
| 2024/5 | 944 | -30.8% |
| 2023/5 | 1,364 | +7.5% |
| 2022/5 | 1,269 | +12.8% |
| 2021/5 | 1,125 | +29.0% |
| 2020/5 | 872 | -31.6% |
| 2019/5 | 1,275 | -18.7% |
| 2018/5 | 1,569 | +11.0% |
| 2017/5 | 1,413 | +37.4% |
| 2016/5 | 1,029 | +108.8% |
| 2015/5 | 492 | +203.3% |
| 2014/5 | 162 | +627.8% |
| 2013/5 | 22 | +2580.8% |
| 2012/5 | 0 | - |