| （単位：円） | 一株あたり利益 | 前年比（％） |
|---|---|---|
| 2025/5 | 133.92 | -23.5% |
| 2024/5 | 175.01 | -8.6% |
| 2023/5 | 191.51 | +64.0% |
| 2022/5 | 116.8 | +35.4% |
| 2021/5 | 86.25 | -4.4% |
| 2020/5 | 90.26 | -20.9% |
| 2019/5 | 114.1 | +1530.0% |
| 2018/5 | 7 | -52.7% |
| 2017/5 | 14.81 | -230.1% |
| 2016/5 | -11.38 | -116.3% |
| 2015/5 | 69.88 | +250.5% |
| 2014/5 | 19.94 | -79.7% |
| 2013/5 | 98.12 | +3.7% |
| 2012/5 | 94.65 | +100.4% |
| 2011/5 | 47.22 | - |