| （単位：円） | 一株あたり利益 | 前年比（％） |
|---|---|---|
| 2025/5 | 231.29 | +132.4% |
| 2024/5 | 99.53 | +8.4% |
| 2023/5 | 91.85 | -188.3% |
| 2022/5 | -104.02 | -195.1% |
| 2021/5 | 109.38 | -9.6% |
| 2020/5 | 120.98 | +60.7% |
| 2019/5 | 75.27 | +2.6% |
| 2018/5 | 73.33 | -40.8% |
| 2017/5 | 123.87 | +570.7% |
| 2016/5 | 18.47 | -19.5% |
| 2015/5 | 22.94 | +71.6% |
| 2014/5 | 13.37 | -10.7% |
| 2013/5 | 14.98 | -8.0% |
| 2012/5 | 16.29 | +9.6% |
| 2011/5 | 14.86 | - |