| （単位：円） | 一株あたり利益 | 前年比（％） |
|---|---|---|
| 2025/2 | 353.67 | -28.7% |
| 2024/5 | 495.85 | -4.6% |
| 2023/5 | 519.9 | +18.0% |
| 2022/5 | 440.59 | -18.7% |
| 2021/5 | 542.04 | -6.0% |
| 2020/5 | 576.85 | +12.3% |
| 2019/5 | 513.84 | -0.3% |
| 2018/5 | 515.26 | +1.1% |
| 2017/5 | 509.6 | +25.6% |
| 2016/5 | 405.73 | +12.0% |
| 2015/5 | 362.36 | +18.7% |
| 2014/5 | 305.25 | +7.4% |
| 2013/5 | 284.22 | +26.4% |
| 2012/5 | 224.87 | - |