| （単位：円） | 一株あたり利益 | 前年比（％） |
|---|---|---|
| 2025/5 | 0.56 | -89.7% |
| 2024/5 | 5.43 | +102.6% |
| 2023/5 | 2.68 | +48.1% |
| 2022/5 | 1.81 | -46.0% |
| 2021/5 | 3.35 | -23.9% |
| 2020/5 | 4.4 | +80.3% |
| 2019/5 | 2.44 | -40.6% |
| 2018/5 | 4.11 | +67.8% |
| 2017/5 | 2.45 | -69.6% |
| 2016/5 | 8.07 | +76.6% |
| 2015/5 | 4.57 | -60.6% |
| 2014/5 | 11.59 | +23.0% |
| 2013/5 | 9.42 | -97.9% |
| 2012/5 | 451.18 | +0.7% |
| 2011/5 | 448.23 | - |