| （単位：円） | 一株あたり利益 | 前年比（％） |
|---|---|---|
| 2025/5 | 100.8 | +21.8% |
| 2024/5 | 82.77 | +26.2% |
| 2023/5 | 65.58 | +58.3% |
| 2022/5 | 41.42 | -58.0% |
| 2021/5 | 98.57 | +72.4% |
| 2020/5 | 57.16 | +53.9% |
| 2019/5 | 37.14 | +21.1% |
| 2018/5 | 30.67 | -2534.1% |
| 2017/5 | -1.26 | -107.2% |
| 2016/5 | 17.56 | -50.2% |
| 2015/5 | 35.25 | -0.6% |
| 2014/5 | 35.46 | +158.3% |
| 2013/5 | 13.73 | +95.3% |
| 2012/5 | 7.03 | -258.7% |
| 2011/5 | -4.43 | - |