| （単位：円） | 一株あたり利益 | 前年比（％） |
|---|---|---|
| 2025/5 | 305.84 | +155.8% |
| 2024/5 | 119.58 | +25.7% |
| 2023/5 | 95.13 | -54.4% |
| 2022/5 | 208.59 | +76.6% |
| 2021/5 | 118.11 | -34.1% |
| 2020/5 | 179.32 | +28.6% |
| 2019/5 | 139.39 | +4.7% |
| 2018/5 | 133.08 | +0.9% |
| 2017/5 | 131.83 | +64.1% |
| 2016/5 | 80.35 | -16.0% |
| 2015/5 | 95.67 | +10.9% |
| 2014/5 | 86.23 | +24.6% |
| 2013/5 | 69.19 | +76.2% |
| 2012/5 | 39.26 | -30.5% |
| 2011/5 | 56.5 | - |