| （単位：円） | 一株あたり利益 | 前年比（％） |
|---|---|---|
| 2025/5 | 222.58 | -39.1% |
| 2024/5 | 365.22 | +70.7% |
| 2023/5 | 213.98 | -22.5% |
| 2022/5 | 276.02 | +61.2% |
| 2021/5 | 171.24 | +25.3% |
| 2020/5 | 136.65 | -10.5% |
| 2019/5 | 152.69 | +19.1% |
| 2018/5 | 128.16 | -5.6% |
| 2017/5 | 135.83 | +17.2% |
| 2016/5 | 115.9 | +36.5% |
| 2015/5 | 84.9 | +42.5% |
| 2014/5 | 59.58 | -13.5% |
| 2013/5 | 68.86 | +62.9% |
| 2012/5 | 42.28 | +46.3% |
| 2011/5 | 28.9 | +32.6% |
| 2010/5 | 21.8 | - |