| （単位：円） | 一株あたり利益 | 前年比（％） |
|---|---|---|
| 2025/5 | 390.86 | -36.7% |
| 2024/5 | 617.22 | +2.7% |
| 2023/5 | 600.96 | +2.8% |
| 2022/5 | 584.76 | -14.7% |
| 2021/5 | 685.8 | +26.7% |
| 2020/5 | 541.3 | -44.1% |
| 2019/5 | 968.97 | +8.8% |
| 2018/5 | 890.59 | -3.2% |
| 2017/5 | 919.99 | +46.5% |
| 2016/5 | 628.05 | +6.3% |
| 2015/5 | 590.63 | +10.3% |
| 2014/5 | 535.41 | +12.8% |
| 2013/5 | 474.58 | +21.4% |
| 2012/5 | 390.78 | +34.8% |
| 2011/5 | 289.79 | - |