| （単位：円） | 一株あたり利益 | 前年比（％） |
|---|---|---|
| 2025/5 | 64.96 | +20.2% |
| 2024/5 | 54.05 | +26.8% |
| 2023/5 | 42.62 | +0.5% |
| 2022/5 | 42.39 | +14.2% |
| 2021/5 | 37.13 | +19.3% |
| 2020/5 | 31.13 | -24.9% |
| 2019/5 | 41.44 | +5.7% |
| 2018/5 | 39.2 | +37.4% |
| 2017/5 | 28.52 | -87.8% |
| 2016/5 | 233.52 | -8.8% |
| 2015/5 | 256.13 | +51.8% |
| 2014/5 | 168.73 | +112.7% |
| 2013/5 | 79.34 | +21.0% |
| 2012/5 | 65.57 | -5.8% |
| 2011/5 | 69.63 | - |