| （単位：円） | 一株あたり利益 | 前年比（％） |
|---|---|---|
| 2025/5 | 319.43 | -31.2% |
| 2024/5 | 464.51 | +34.8% |
| 2023/5 | 344.63 | +21.5% |
| 2022/5 | 283.73 | +119.3% |
| 2021/5 | 129.36 | -66.1% |
| 2020/5 | 381.51 | -45.2% |
| 2019/5 | 695.89 | +41.8% |
| 2018/5 | 490.8 | +930.7% |
| 2017/5 | 47.62 | +17.1% |
| 2016/5 | 40.68 | -11.2% |
| 2015/5 | 45.83 | +43.7% |
| 2014/5 | 31.89 | +473.6% |
| 2013/5 | 5.56 | +78.2% |
| 2012/5 | 3.12 | -115.9% |
| 2011/5 | -19.62 | - |