| （単位：円） | 一株あたり利益 | 前年比（％） |
|---|---|---|
| 2025/5 | 314 | +35.5% |
| 2024/5 | 231.76 | +17.3% |
| 2023/5 | 197.66 | +15.4% |
| 2022/5 | 171.29 | +31.8% |
| 2021/5 | 130.01 | -6.5% |
| 2020/5 | 139.01 | +25.7% |
| 2019/5 | 110.63 | +11.3% |
| 2018/5 | 99.39 | +2.7% |
| 2017/5 | 96.81 | -0.2% |
| 2016/5 | 96.99 | +93.4% |
| 2015/5 | 50.15 | -32.7% |
| 2014/5 | 74.56 | +88.7% |
| 2013/5 | 39.51 | +84.6% |
| 2012/5 | 21.4 | -21.2% |
| 2011/5 | 27.16 | - |