| （単位：円） | 一株あたり利益 | 前年比（％） |
|---|---|---|
| 2025/5 | 152.76 | +102.2% |
| 2024/5 | 75.56 | +6.9% |
| 2023/5 | 70.7 | +27.1% |
| 2022/5 | 55.63 | -1.1% |
| 2021/5 | 56.27 | -2.0% |
| 2020/5 | 57.4 | +12.4% |
| 2019/5 | 51.09 | +60.3% |
| 2018/5 | 31.88 | -48.8% |
| 2017/5 | 62.22 | +0.5% |
| 2016/5 | 61.94 | +0.8% |
| 2015/5 | 61.45 | +41.3% |
| 2014/5 | 43.5 | +15.7% |
| 2013/5 | 37.59 | +37.4% |
| 2012/5 | 27.35 | -22.0% |
| 2011/5 | 35.05 | - |