| （単位：%） | 経常（税引前）利益率（％） | 前年比（％） |
|---|---|---|
| 2025/12 | 30.8 | +94.6% |
| 2024/12 | 15.8 | -42.3% |
| 2023/12 | 27.4 | +62.1% |
| 2022/12 | 16.9 | -51.5% |
| 2021/12 | 34.9 | +6.4% |
| 2020/12 | 32.8 | +10.1% |
| 2019/12 | 29.8 | -12.5% |
| 2018/12 | 34.1 | +0.4% |
| 2017/12 | 33.9 | -6.8% |
| 2017/3 | 34.1 | -6.4% |
| 2016/3 | 36.4 | +18.0% |
| 2015/3 | 30.9 | +21.2% |
| 2014/3 | 25.5 | -7.6% |
| 2013/3 | 27.6 | - |
| 2012/3 | - | - |