| （単位：円） | 一株あたり利益 | 前年比（％） |
|---|---|---|
| 2025/5 | 62.74 | -70.1% |
| 2024/5 | 210 | -16.1% |
| 2023/5 | 250.39 | -25.3% |
| 2022/5 | 335.41 | +7.8% |
| 2021/5 | 311.02 | +0.4% |
| 2020/5 | 309.66 | +10.3% |
| 2019/5 | 280.73 | +15.5% |
| 2018/5 | 243.08 | +14.5% |
| 2017/5 | 212.26 | +3.5% |
| 2016/5 | 205.07 | +11.7% |
| 2015/5 | 183.51 | +10.2% |
| 2014/5 | 166.58 | -14.2% |
| 2013/5 | 194.13 | +25.2% |
| 2012/5 | 155.1 | - |