| （単位：円） | 一株あたり利益 | 前年比（％） |
|---|---|---|
| 2025/5 | 486.03 | +7.4% |
| 2024/5 | 452.64 | +102.3% |
| 2023/5 | 223.73 | -44.5% |
| 2022/5 | 403.3 | +1.8% |
| 2021/5 | 396.21 | +48.1% |
| 2020/5 | 267.5 | +1224.9% |
| 2019/5 | 20.19 | -91.3% |
| 2018/5 | 233.17 | -7.8% |
| 2017/5 | 252.82 | +4.9% |
| 2016/5 | 240.93 | +25.2% |
| 2015/5 | 192.5 | +7.0% |
| 2014/5 | 179.99 | +2.6% |
| 2013/5 | 175.43 | +2.7% |
| 2012/5 | 170.75 | +6.8% |
| 2011/5 | 159.92 | - |