| （単位：円） | 一株あたり利益 | 前年比（％） |
|---|---|---|
| 2025/5 | 106.98 | +47.0% |
| 2024/5 | 72.77 | -0.7% |
| 2023/5 | 73.25 | +181.5% |
| 2022/5 | 26.02 | -12.4% |
| 2021/5 | 29.7 | -35.9% |
| 2020/5 | 46.33 | -37.6% |
| 2019/5 | 74.25 | -20.8% |
| 2018/5 | 93.76 | +45.3% |
| 2017/5 | 64.53 | +40.7% |
| 2016/5 | 45.85 | -71.8% |
| 2015/5 | 162.33 | +26.4% |
| 2014/5 | 128.39 | -4.7% |
| 2013/5 | 134.72 | -130.5% |
| 2012/5 | -441.04 | -853.1% |
| 2011/5 | 58.56 | - |