| （単位：百万円） | 純利益 | 前年比（％） |
|---|---|---|
| 2026/5 | 1,732 | -11.5% |
| 2025/5 | 1,957 | +7.5% |
| 2024/5 | 1,820 | +16.5% |
| 2023/5 | 1,562 | +37.6% |
| 2022/5 | 1,135 | +23.4% |
| 2021/5 | 920 | +3.4% |
| 2020/5 | 890 | +21.9% |
| 2019/5 | 730 | +1.1% |
| 2018/5 | 722 | +41.3% |
| 2017/5 | 511 | +67.5% |
| 2016/5 | 305 | +41.9% |
| 2015/5 | 215 | +18.1% |
| 2014/5 | 182 | +104.5% |
| 2013/5 | 89 | +25.4% |
| 2012/5 | 71 | -99.7% |
| 2011/5 | 27,349 | - |