| （単位：円） | 一株あたり利益 | 前年比（％） |
|---|---|---|
| 2025/5 | 473.98 | +9.2% |
| 2024/5 | 434.16 | +6.9% |
| 2023/5 | 405.98 | +1.6% |
| 2022/5 | 399.55 | +4.1% |
| 2021/5 | 383.92 | +3.1% |
| 2020/5 | 372.52 | +9.9% |
| 2019/5 | 338.92 | +11.8% |
| 2018/5 | 303.25 | +6.4% |
| 2017/5 | 285.11 | +8.1% |
| 2016/5 | 263.64 | +10.9% |
| 2015/5 | 237.78 | +11.2% |
| 2014/5 | 213.75 | +2.5% |
| 2013/5 | 208.47 | +11.8% |
| 2012/5 | 186.55 | - |