| （単位：円） | 一株あたり利益 | 前年比（％） |
|---|---|---|
| 2025/5 | 490.83 | +70.1% |
| 2024/5 | 288.54 | +27.8% |
| 2023/5 | 225.81 | +44.9% |
| 2022/5 | 155.84 | -17.2% |
| 2021/5 | 188.21 | -8.0% |
| 2020/5 | 204.49 | -18.2% |
| 2019/5 | 249.87 | -27.4% |
| 2018/5 | 344.02 | +427.3% |
| 2017/5 | 65.24 | +44.4% |
| 2016/5 | 45.17 | +43.4% |
| 2015/5 | 31.49 | -34.7% |
| 2014/5 | 48.25 | +97.4% |
| 2013/5 | 24.44 | -55.1% |
| 2012/5 | 54.46 | - |