| （単位：円） | 希薄化後一株あたり利益 | 前年比（％） |
|---|---|---|
| 2025/5 | 473.91 | +9.2% |
| 2024/5 | 434.09 | +6.9% |
| 2023/5 | 405.91 | +1.6% |
| 2022/5 | 399.42 | +4.1% |
| 2021/5 | 383.66 | +3.1% |
| 2020/5 | 372.19 | +9.9% |
| 2019/5 | 338.51 | +11.8% |
| 2018/5 | 302.66 | +6.4% |
| 2017/5 | 284.55 | +8.1% |
| 2016/5 | 263.14 | +10.8% |
| 2015/5 | 237.51 | +11.2% |
| 2014/5 | 213.63 | +2.5% |
| 2013/5 | 208.38 | +11.7% |
| 2012/5 | 186.55 | - |