| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2025/10 | 5.7 | +2.5% |
| 2024/10 | 5.5 | -2.8% |
| 2023/10 | 5.7 | +64.4% |
| 2022/10 | 3.5 | +68.8% |
| 2021/10 | 2.1 | +2036.5% |
| 2020/10 | 0.1 | -96.8% |
| 2019/10 | 3.0 | -20.1% |
| 2018/10 | 3.8 | +15.2% |
| 2017/10 | 3.3 | +18.2% |
| 2016/10 | 2.8 | -18.1% |
| 2015/10 | 3.4 | -9.8% |
| 2014/10 | 3.7 | -21.3% |
| 2013/10 | 4.7 | +29.2% |
| 2012/10 | 3.7 | -11.8% |
| 2011/10 | 4.2 | - |