| （単位：円） | 一株あたり利益 | 前年比（％） |
|---|---|---|
| 2025/5 | 136.65 | +9.2% |
| 2024/5 | 125.09 | +23.7% |
| 2023/5 | 101.11 | +14.2% |
| 2022/5 | 88.53 | +19.1% |
| 2021/5 | 74.36 | +18.1% |
| 2020/5 | 62.98 | +28.3% |
| 2019/5 | 49.08 | +36.8% |
| 2018/5 | 35.87 | +27.1% |
| 2017/5 | 28.22 | -11.2% |
| 2016/5 | 31.79 | +244.8% |
| 2015/5 | 9.22 | +67.9% |
| 2014/5 | 5.49 | -125.3% |
| 2013/5 | -21.66 | -50.9% |
| 2012/5 | -44.1 | -641.1% |
| 2011/5 | 8.15 | - |