| （単位：円） | 一株あたり利益 | 前年比（％） |
|---|---|---|
| 2025/5 | 35.94 | -57.9% |
| 2024/5 | 85.35 | +6.4% |
| 2023/5 | 80.21 | -75.1% |
| 2022/5 | 321.8 | -24.7% |
| 2021/5 | 427.11 | +32.4% |
| 2020/5 | 322.58 | -24.0% |
| 2019/5 | 424.68 | +8.4% |
| 2018/5 | 391.78 | +283.6% |
| 2017/5 | 102.12 | +87.6% |
| 2016/5 | 54.43 | +10.5% |
| 2015/5 | 49.28 | +62.2% |
| 2014/5 | 30.39 | -66.7% |
| 2013/5 | 91.13 | +251.3% |
| 2012/5 | 25.94 | +42.1% |
| 2011/5 | 18.25 | - |