| （単位：円） | 一株あたり利益 | 前年比（％） |
|---|---|---|
| 2025/5 | 172.31 | -31.1% |
| 2024/5 | 250.19 | +146.8% |
| 2023/5 | 101.38 | -14.5% |
| 2022/5 | 118.51 | -4.4% |
| 2021/5 | 123.97 | -36.8% |
| 2020/5 | 196.06 | +81.8% |
| 2019/5 | 107.86 | +1109.2% |
| 2018/5 | 8.92 | -31.6% |
| 2017/5 | 13.04 | -61.9% |
| 2016/5 | 34.24 | +162.6% |
| 2015/5 | 13.04 | -39.9% |
| 2014/5 | 21.71 | -62.9% |
| 2013/5 | 58.52 | +79.2% |
| 2012/5 | 32.66 | -41.0% |
| 2011/5 | 55.33 | - |